A fermenter feed insertion device

Abstract

The utility model discloses a kind of feeding socket devices of fermentation tank, it includes: expansion head, the expansion head upper end is equipped with multiple insertion tube holes, the insertion tube hole quantity is four and presents matrix arrangement, the inboard lower side of insertion tube hole is fixedly connected with sealing plug, the insertion tube hole upper side is fixedly connected with sealing ring, the inboard sliding connection of insertion tube hole has insertion tube, the lower end of insertion tube is fixedly connected with insertion pin, the inboard of insertion tube and insertion pin is hollow structure, the insertion pin is tapered structure insertion tube and is equipped with recess on, recess is connected with protruding block in cooperation, protruding block outer fixedly connected with hopper, by the protruding block of hopper lower end aligning the aperture of recess upper end, just can complete the installation and disassembly of hopper, by drawing out and inserting insertion pin just can complete the replacement of insertion pin and insertion tube, by replacing different insertion tube, avoid when adding different material to cause material cross.

Description

Technical Field

[0001] This utility model relates to the field of feeding inlet technology, and in particular to a feeding inlet device for a fermenter. Background Technology

[0002] The feed inlet device for fermenters is a specialized interface system used for the aseptic addition of nutrients, precursors, pH adjusters, or other feed solutions to the fermenter during fermentation. It allows for dynamic feeding without disrupting the aseptic environment of the fermenter, meeting the metabolic needs of microorganisms or cell cultures and improving product yield and quality.

[0003] A search revealed Chinese Patent Publication No. CN214571899U, which discloses a feed port expansion device for fermenters. This device is primarily adapted to existing fermenter feed port connection applications and includes: a feed port expansion device body, a connecting thread for connecting the feed port on the fermenter cover, and a connecting connector for connecting the feed port expansion device body to the feed pin during feed. The feed port expansion device provided in this application allows for simultaneous feed of multiple liquids through multiple through holes on the device body. Furthermore, each liquid uses a separate through hole, thus reducing the risk of contamination from multiple feed operations. The feed port expansion device provided in this application has a novel structure and strong versatility, offering significant practical value in reducing the risk of contamination during feed operations in fermentation. Therefore, it has good application potential in the field of bio-fermentation equipment. However, when multiple liquids need to be added during use, the holes in the device can cause cross-contamination, resulting in mixed liquids and reduced feed purity. Utility Model Content

[0004] The purpose of this invention is to provide a feeding port device for fermenters, which solves the problem of cross-contamination between traditional feeding port devices during use.

[0005] To achieve the above objectives, a fermenter feeding port device is provided, comprising: an extension head, wherein the upper end of the extension head is provided with a plurality of insertion holes, the number of insertion holes being four and arranged in a matrix, a sealing plug being fixedly connected to the lower inner side of the insertion hole, a sealing ring being fixedly connected to the upper part of the insertion hole, and an insertion tube being slidably connected to the inner side of the insertion hole; The lower end of the insertion tube is fixedly connected to a pin. The inner sides of the insertion tube and the pin are hollowed out, and the pin is a conical structure.

[0006] According to the aforementioned fermenter feeding port device, a groove is provided on the inner side of the upper end of the insertion tube, and an opening is provided on the upper end of the inner side of the groove.

[0007] According to the aforementioned fermenter feeding port device, a protrusion is connected to the inner side of the upper opening of the groove, and the protrusion is fixedly connected to the funnel.

[0008] According to the aforementioned fermenter feeding port device, a valve is rotatably connected to the upper end of the insertion tube.

[0009] According to the aforementioned fermenter feeding port device, the inner side of the expansion head is provided with a screw hole, and the lower end of the expansion head is provided with a port.

[0010] According to the aforementioned fermenter feeding port device, the outer side of the port is fixedly connected with a thread, and the thread is engaged with the threaded screw hole.

[0011] According to the aforementioned fermenter feeding port device, a hole is provided through the inner side of the port, and an anti-slip pad is fixedly connected to the inner side of the hole at the lower end of the port.

[0012] According to the aforementioned fermenter feeding port device, a sealing gasket is fixedly connected to the lower end of the port.

[0013] The above-mentioned solution has the following beneficial effects: 1. By setting an insertion hole inside the expansion head, and a sealing plug at the bottom of the insertion hole, the sealing plug can ensure the airtightness of the insertion hole. A sealing ring is set at the top of the insertion hole. When it is necessary to add material, align the insertion tube and the lower insertion pin with the inside of the insertion hole, and insert the pin through the sealing ring at the bottom of the inside of the insertion hole. This allows the fermenter to be fed through the material tube. Furthermore, since the material tube is replaceable, cross-contamination of the added materials is avoided.

[0014] 2. By creating a groove at the upper end of the insertion tube and setting a protrusion inside the funnel, the cooperation between the groove and the protrusion allows the funnel to be replaced, enabling quick replacement of the funnel as needed during actual use.

[0015] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0016] The present invention will be further described below with reference to the accompanying drawings and embodiments; Figure 1 This is a schematic diagram of the overall structure of a feeding port device for a fermenter according to the present invention; Figure 2 This is a cross-sectional view of the inlet device of the fermenter feeding inlet device of this utility model; Figure 3 This is a schematic diagram of the insertion tube structure of a feeding port device for a fermenter according to the present invention; Figure 4This is a partial structural diagram of a fermenter feeding port device according to the present invention.

[0017] Legend: 1. Extension head; 2. Insertion port; 3. Sealing gasket; 4. Funnel; 5. Valve; 6. Sealing ring; 7. Thread; 8. Insertion hole; 9. Sealing plug; 10. Screw hole; 11. Anti-slip pad; 12. Insertion tube; 13. Insertion pin; 14. Groove; 15. Protrusion. Detailed Implementation

[0018] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0019] Reference Figure 1-4 This utility model provides a fermenter feeding port device, which includes: an extension head 1, the upper end of which is provided with a plurality of insertion holes 8, the number of insertion holes 8 being four and arranged in a matrix, a sealing plug 9 being fixedly connected to the lower inner side of the insertion hole 8, a sealing ring 6 being fixedly connected to the upper side of the insertion hole 8, and an insertion tube 12 being slidably connected to the inner side of the insertion hole 8. The lower end of the insertion tube 12 is fixedly connected to the insertion pin 13. The inner sides of the insertion tube 12 and the insertion pin 13 are hollow structures, and the insertion pin 13 is a conical structure.

[0020] A groove 14 is provided on the inner side of the upper end of the insertion tube 12. An opening is provided on the upper end of the inner side of the groove 14. The groove 14 is arranged symmetrically from front to back, and the size and curvature of the opening at the upper end are the same as those of the inner side of the groove 14.

[0021] A protrusion 15 is connected to the inner side of the opening at the upper end of the groove 14. The protrusion 15 is fixedly connected to the funnel 4. When the funnel 4 needs to be replaced, simply rotate the funnel 4 so that the protrusion 15 on the inner side of the funnel 4 is aligned with the opening at the upper end of the groove 14 to remove the funnel 4.

[0022] A valve 5 is rotatably connected to the upper end of the cannula 12. Rotating the valve 5 can control the opening and closing of the cannula 12, and the valve 5 is initially in a closed state.

[0023] The expansion head 1 has a screw hole 10 on its inner side, and the lower end of the expansion head 1 has an insertion port 2. The height of the top of the screw hole 10 at the lower end of the inner side of the expansion head 1 is the same as the height of the bottom of the insertion hole 8.

[0024] The outer side of the socket 2 is fixedly connected with a thread 7, which is threadedly connected to the screw hole 10. The engagement of the thread 7 and the screw hole 10 allows the socket 2 to be quickly disassembled and replaced with the upper extension head 1.

[0025] The inner side of the socket 2 has a through hole, and an anti-slip pad 11 is fixedly connected to the inner side of the hole at the lower end of the socket 2. The anti-slip pad 11 can provide good friction and a certain degree of sealing when the thread 7 and the screw hole 10 are threaded together.

[0026] A sealing gasket 3 is fixedly connected to the lower end of the inlet 2. When the inlet 2 is inserted into the fermentation tank, the sealing gasket 3 can contact the holes in the inner wall of the fermentation tank, thereby increasing the sealing performance.

[0027] Working principle: In use, align the inlet 2 with the hole at the top of the fermentation tank and insert the inlet 2 into the hole. A sealing gasket 3 is located on the outer bottom of the inlet 2, and the sealing gasket 3 has a conical structure with a smaller bottom and a larger top. The inlet 2 has a thread 7 at the top. Align the screw hole 10 on the inner side of the lower end of the expansion head 1 with the thread 7. Rotate the expansion head 1 to connect it to the inlet 2 through the threaded connection. Align the pin 13 with the insertion hole 8 at the top of the expansion head 1 and insert the pin 13 into the insertion hole 8 until it passes through the sealing plug 9. The upper end of the pin 13 has an insertion tube 12. The insertion tube 12 connects with the insertion hole 8. The upper sealing ring 6 contacts the fermenter, preventing gas leakage inside the fermenter and preventing air from entering the fermenter from the outside. The upper end of the tube 12 has a groove 14 with a hole at the upper end. The groove 14 and the protrusion 15 cooperate with each other. Align the protrusion 15 on the inside of the funnel 4 with the hole at the upper end of the groove 14, push the funnel 4 down and rotate the funnel 4 so that the funnel 4 can be fixed on the tube 12. Open the valve 5 to add the material that needs to be added into the fermenter. Since the tube 12 and the needle 13 are connected, when different materials need to be added, only the tube 12 and the needle 13 need to be replaced to add materials again, and cross-contamination will not be caused.

[0028] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A feed inlet device for a fermenter, comprising: The extension head (1) is characterized in that a plurality of insertion holes (8) are provided at the upper end of the extension head (1), the number of insertion holes (8) is four and arranged in a matrix, a sealing plug (9) is fixedly connected to the lower inner side of the insertion hole (8), a sealing ring (6) is fixedly connected to the upper side of the insertion hole (8), and an insertion tube (12) is slidably connected to the inner side of the insertion hole (8). The lower end of the insertion tube (12) is fixedly connected to a pin (13). The inner sides of the insertion tube (12) and the pin (13) are hollow structures, and the pin (13) is a conical structure.

2. The fermenter feeding port device according to claim 1, characterized in that, The upper inner side of the insertion tube (12) is provided with a groove (14), and the upper end of the inner side of the groove (14) is provided with an opening.

3. The fermenter feeding port device according to claim 2, characterized in that, The groove (14) has a protrusion (15) connected to the inner side of the upper opening, and the protrusion (15) is fixedly connected to the funnel (4).

4. The fermenter feeding inlet device according to claim 1, characterized in that, A valve (5) is rotatably connected to the upper end of the cannula (12).

5. The fermenter feeding inlet device according to claim 1, characterized in that, The extension head (1) has a screw hole (10) on its inner side and a socket (2) at its lower end.

6. The fermenter feeding inlet device according to claim 5, characterized in that, The outer side of the socket (2) is fixedly connected with a thread (7), and the thread (7) is threadedly connected to the screw hole (10).

7. The fermenter feeding port device according to claim 6, characterized in that, The socket (2) has a through hole on its inner side, and an anti-slip pad (11) is fixedly connected to the inner side of the hole at the lower end of the socket (2).

8. The fermenter feeding inlet device according to claim 1, characterized in that, A sealing gasket (3) is fixedly connected to the lower end of the socket (2).

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