Efficient gas distributor for fusidic acid fermentation tank

By designing a high-efficiency gas distributor for fusidic acid fermenters, the problem of uneven gas distribution and inconvenient maintenance is solved by using a main shaft to drive the fan blades to rotate and a check nozzle to disperse the gas, thus improving dissolved oxygen efficiency and simplifying the maintenance process.

CN223633360UActive Publication Date: 2025-12-05XUANCHENG JINGKE BIOTECHNOLOGY CO LTD
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Patent Information

Application Number
CN202423150733.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-20
Publication Date
2025-12-05
Estimated Expiration
2034-12-20

AI Technical Summary

Technical Problem

Traditional gas distributors for fermenters suffer from limited contact area between gas and liquid, complex structure, and inconvenient maintenance, which affect fermentation efficiency and maintenance costs.

Method used

A high-efficiency gas distributor for fusidic acid fermenters was designed. The main shaft drives the fan blades to rotate, and the gas is evenly dispersed by the anti-reverse nozzle and sealing structure. The deep groove ball bearing and sealing ring reduce friction and facilitate maintenance.

Benefits of technology

It increases the contact area between gas and liquid feed, enhances dissolved oxygen efficiency, simplifies the maintenance process of the equipment, and reduces maintenance costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an efficient gas distributor for a fusidic acid fermentation tank, which relates to the technical field of fermentation engineering and comprises a mounting shell, a second fan blade is arranged inside the mounting shell, a first fan blade is arranged outside the mounting shell, a non-return nozzle is arranged on a mounting partition plate, and a second fan blade is arranged on the mounting partition plate. An air inlet pipe is fixedly mounted on the side surface of the mounting shell; compressed air is connected with the air inlet pipe, the compressed air drives the second fan blade to rotate after passing through the second fan blade, the first fan blade is driven to rotate synchronously through connection of the main shaft, a certain amount of compressed air enters the inner cavity of the installation shell, certain air pressure is generated, and when the air pressure is larger than the opening threshold value of the non-return nozzle, the non-return nozzle is opened. Gas is sprayed out from the non-return nozzle and mixed into feed liquid in the fermentation tank, the feed liquid is sprayed on the first fan blade after being mixed with the gas, and the mixed gas is scattered into smaller bubbles through rotation of the first fan blade, so that the contact area of the gas and the feed liquid is increased, and the dissolved oxygen value is increased.
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Description

TECHNICAL FIELD

[0001] The utility model relates to fermentation engineering technical field especially relates to a high -efficient gas distributor for fusidic acid fermenter. BACKGROUND

[0002] In the fermentation process of fusidic acid, the gas distributor plays a crucial role. Fermentation usually requires the introduction of oxygen and other gases into the fermentation broth to meet the growth and metabolic needs of the fermentation microorganisms. The gas distributor can uniformly disperse the gas into the fermentation broth, ensuring that the microorganisms in the fermentation broth can fully contact the gas. The gas distributor is generally composed of multiple small holes or micropores, which can allow the gas to enter the fermentation broth in the form of tiny bubbles, increasing the contact area between the gas and the fermentation broth and improving the gas dissolution efficiency.

[0003] In the fermentation process, the uniformity of gas distribution in the fermenter and the full contact with the material liquid are crucial to the fermentation effect. The traditional gas distributor of the fermenter often has the following problems: 1. Limited gas-liquid contact area: the traditional gas distribution method is difficult to fully disperse the gas into small bubbles and mix with the material liquid, resulting in a small gas-liquid contact area, low oxygen dissolution efficiency, and affecting the fermentation process and quality. 2. Complex structure and inconvenient maintenance: some traditional gas distribution devices have a complex structure, making installation and disassembly difficult, which is not conducive to daily maintenance and repair. Once a fault occurs, the maintenance cost is high and time-consuming. Therefore, in view of the above phenomenon, a high-efficiency gas distributor for fusidic acid fermenter is proposed to meet the needs of actual use. SUMMARY

[0004] The utility model provides a high -efficient gas distributor for fusidic acid fermenter, solves the technical problem that the current use's gas distributor has limited gas-liquid contact area, complex structure and maintenance.

[0005] To solve the above technical problems, the utility model provides a high -efficient gas distributor for fusidic acid fermenter, including the installation shell, the axial position rotation of installation shell is equipped with the main shaft, the first fan blade and second fan blade are respectively fixedly sleeved on the main shaft, the top of installation shell is fixedly installed and is equipped with the installation partition disc, the installation partition disc divides installation shell into two parts of inside and outside, the second fan blade is arranged in the inside of installation shell, the first fan blade is arranged in the outside of installation shell, the installation partition disc is equipped with the check nozzle, the side of installation shell is fixedly installed and is equipped with the air inlet pipe, the compressed gas is introduced into the air inlet pipe to the installation shell, realizes dispersing and merging into the material liquid.

[0006] In some embodiments, the mounting shell comprises a first cylinder, a connecting pipe and a second cylinder, the first cylinder is below the connecting pipe, the second cylinder is above the second cylinder, the bottom of the first cylinder is fixedly mounted with a flange mounting disc, the air inlet pipe is on the side of the first cylinder, and the first cylinder with a smaller diameter ensures a large flow rate of the air to drive the main shaft to rotate rapidly.

[0007] In some embodiments, to reduce the friction when the main shaft rotates, the bottom end of the main shaft is provided with a deep groove ball bearing, the top of the flange mounting disc is fixedly mounted with a mounting sleeve, the outer ring of the deep groove ball bearing is fixedly sleeved in the mounting sleeve, and the inner ring of the deep groove ball bearing is fixedly sleeved at the bottom end of the main shaft.

[0008] In some embodiments, to further reduce the friction when the main shaft rotates and ensure the sealing, the middle part of the mounting partition disc is fixedly mounted with a waterproof sleeve, the waterproof sleeve is movably sleeved on the surface of the main shaft, and a sealing ring is arranged between the waterproof sleeve and the main shaft.

[0009] In some embodiments, to increase the convenience of installation and maintenance and increase the contact area of the gas and the liquid, the number of the check nozzles is several, the check nozzles are connected with the mounting partition disc through threads, and sealing washers are arranged at the connection positions of the check nozzles and the mounting partition disc.

[0010] In some embodiments, to ensure that the gas is mixed with the liquid after being sprayed, a plurality of communication holes are formed in the side of the second cylinder.

[0011] In some embodiments, the mounting structure of the first fan blade is disclosed, the surface of the main shaft is integrally formed with a shaft shoulder, the middle part of the first fan blade is provided with a first shaft sleeve, the first shaft sleeve is movably sleeved on the surface of the main shaft, the surface of the main shaft is integrally formed with a first threaded mounting part, the surface of the first threaded mounting part is threadedly mounted with a rustproof hexagonal nut, and the first shaft sleeve is fixed with the shaft shoulder through the rustproof hexagonal nut.

[0012] In some embodiments, to ensure the fastening of the first fan blade, the bottom of the first shaft sleeve is provided with a first clamping groove, and the top of the shaft shoulder is integrally formed with a clamping block matched with the first clamping groove.

[0013] In some embodiments, the mounting structure of the second fan blade is disclosed, the middle part of the second fan blade is provided with a second shaft sleeve, the second shaft sleeve is movably sleeved on the surface of the main shaft, the surface of the main shaft is integrally formed with a second clamping groove, the top of the second shaft sleeve is provided with a circular groove matched with the second clamping groove, the surface of the main shaft is integrally formed with a second threaded mounting part, the surface of the second threaded mounting part is threadedly mounted with a threaded fastening cap, and the second shaft sleeve is fixed through the threaded fastening cap.

[0014] In some embodiments, the position of the air inlet pipe is lower than the position of the second fan blade, and the position of the communication hole is lower than the position of the first fan blade.

[0015] Compared with the prior art, the high-efficiency gas distributor for a fusidic acid fermentation tank has the following beneficial effects:

[0016] The high-efficiency gas distributor for a fusidic acid fermentation tank is characterized in that compressed gas is connected with the air inlet pipe, the compressed gas drives the second fan blade to rotate after passing through the second fan blade, the first fan blade is driven to rotate synchronously by the connection of the main shaft, a certain amount of compressed gas enters the inner cavity of the mounting shell, a certain gas pressure is generated, the gas is sprayed from the check nozzle after the gas pressure is greater than the opening threshold of the check nozzle, and the gas is mixed into the material liquid of the fermentation tank, the mixed gas is sprayed on the first fan blade, and the rotation of the first fan blade disperses the mixed gas into smaller bubbles, so that the contact area of the gas and the material liquid is increased, and the dissolved oxygen value is improved.

[0017] The high-efficiency gas distributor for a fusidic acid fermentation tank is characterized in that the check nozzle is connected with the mounting partition disc through threads, can be quickly disassembled and assembled, and is convenient to replace and maintain; and a sealing gasket is arranged at the connection position of the check nozzle and the mounting partition disc, and a one-way valve structure is arranged in the check nozzle, so as to ensure the sealing property between the check nozzle and the mounting partition disc, prevent the material liquid from leaking, prevent the material liquid from entering the mounting shell when no compressed gas is input, and ensure the normal working state and the good sealing property of the whole device.

[0018] The high-efficiency gas distributor for a fusidic acid fermentation tank is characterized in that the deep groove ball bearing is arranged at the bottom end of the main shaft, the friction of the main shaft during rotation is greatly reduced by the structural characteristics of the deep groove ball bearing, the sealing ring is arranged between the main shaft and the waterproof sleeve, and the lubricating grease is added, so that the resistance of the main shaft during rotation is further reduced, the rotating part of the whole device runs more smoothly, the energy loss and the part wear caused by friction are reduced, and the device is beneficial to long-term stable operation. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a whole structure schematic view of the utility model;

[0020] Figure 2 It is an internal structure schematic view of the mounting shell of the utility model;

[0021] Figure 3 It is a first fan blade installation structure section schematic view of the utility model;

[0022] Figure 4 It is a second fan blade installation structure section schematic view of the utility model;

[0023] Figure 5 It is the three-dimensional assembly schematic view of the first fan and the second fan of the utility model.

[0024] Marked number in drawing: 1, mounting shell; 2, mounting partition disc; 3, check nozzle; 4, first fan blade; 5, main shaft; 6, second fan blade; 11, flange mounting disc; 12, air inlet pipe; 13, communication hole; 101, first cylinder; 102, connecting pipe; 103, second cylinder; 21, waterproof sleeve; 22, sealing ring; 31, sealing washer; 41, first shaft sleeve; 42, first clamping groove; 51, deep groove ball bearing; 52, mounting sleeve; 53, first threaded mounting part; 54, shaft shoulder; 55, anti-rust hexagonal nut; 56, second clamping groove; 57, second threaded mounting part; 58, threaded fastening cap; 61, second shaft sleeve. DETAILED DESCRIPTION

[0025] Example one

[0026] The embodiment provides a kind of efficient gas distributor for fusidic acid fermentor, as shown in Figures 1-5 The utility model includes mounting shell 1, the axis position of mounting shell 1 is rotationally installed with main shaft 5, first fan blade 4 and second fan blade 6 are respectively fixedly sleeved on main shaft 5, mounting partition disc 2 is fixedly installed at the top of mounting shell 1, mounting partition disc 2 divides mounting shell 1 into two parts of inside and outside, second fan blade 6 is arranged in the inside of mounting shell 1, first fan blade 4 is arranged in the outside of mounting shell 1, check nozzle 3 is equipped on mounting partition disc 2, air inlet pipe 12 is fixedly installed on the side of mounting shell 1, compressed gas is inhaled into mounting shell 1 in air inlet pipe 12.

[0027] In the embodiment, compressed gas is connected with air inlet pipe 12, and the rotation of second fan blade 6 is driven by compressed gas passing through second fan blade 6, and the synchronous rotation of first fan blade 4 is driven by the connection of main shaft 5, a certain amount of compressed gas enters the inner cavity of mounting shell 1, and a certain air pressure is generated, when the air pressure is greater than the opening threshold of check nozzle 3, the gas is sprayed from check nozzle 3 and mixed into the liquid of fermentor, after the mixing of gas and liquid, the first fan blade 4 is sprayed, and the rotation of first fan blade 4 will scatter the mixed gas into smaller bubbles, so that the contact area of gas and liquid is increased, and the dissolved oxygen value is improved.

[0028] Example two

[0029] As shown in Figure 2 The mounting shell 1 of the embodiment includes first cylinder 101, connecting pipe 102 and second cylinder 103, first cylinder 101 is located below connecting pipe 102, second cylinder 103 is located above second cylinder 103, flange mounting disc 11 is fixedly installed at the bottom of first cylinder 101, and air inlet pipe 12 is located on the side of first cylinder 101.

[0030] In this embodiment, the inner diameter of the first cylinder 101 matches the diameter of the second blade 6, and the inner diameter of the second cylinder 103 matches the outer diameter of the first blade 4. The inner diameter of the first cylinder 101 is smaller than the inner diameter of the second cylinder 103. This is done for two reasons: first, to ensure that the compressed gas has a higher flow velocity when flowing through the second blade 6, thereby generating a higher rotational speed on the second blade 6, which in turn drives the first blade 4 to generate a higher rotational speed, making the bubbles smaller; and second, to increase the installation space of the check nozzle 3, which allows for a wider range of bubble generation and increases the contact area between the bubbles and the liquid.

[0031] Example 3

[0032] Based on Example 1, such as Figure 4 As shown, in this embodiment, the bottom end of the spindle 5 is provided with a deep groove ball bearing 51, and the top of the flange mounting plate 11 is fixedly installed with a mounting sleeve 52. The outer ring of the deep groove ball bearing 51 is fixedly fitted in the mounting sleeve 52, and the inner ring of the deep groove ball bearing 51 is fixedly fitted at the bottom end of the spindle 5.

[0033] In this embodiment, the spindle 5 is mounted by a deep groove ball bearing 51, which can greatly reduce the friction of the spindle 5 during rotation.

[0034] Example 4

[0035] Based on Example 1, such as Figure 3 As shown, a waterproof sleeve 21 is fixedly installed in the middle of the mounting plate 2 in this embodiment. The waterproof sleeve 21 is movably sleeved on the surface of the main shaft 5, and a sealing ring 22 is provided between the waterproof sleeve 21 and the main shaft 5.

[0036] In this embodiment, there are multiple sealing rings 22 to ensure sealing performance, prevent material leakage, and add grease to reduce the resistance when the spindle 5 rotates.

[0037] Example 5

[0038] Based on Example 1, such as Figure 3 As shown, the number of check nozzles 3 in this embodiment is several. The check nozzles 3 are connected to the mounting spacer 2 by threads, and a sealing gasket 31 is provided at the connection between the check nozzles 3 and the mounting spacer 2.

[0039] In this embodiment, the check nozzle 3 is equipped with a one-way valve structure, which can prevent liquid from entering the interior of the mounting housing 1 when compressed gas is not introduced; the threaded connection allows for quick disassembly and assembly, facilitating replacement and maintenance, and the sealing gasket 31 ensures the sealing between the check nozzle 3 and the mounting spacer 2.

[0040] Example 6

[0041] On the basis of embodiment one, as shown in Figure 2 The side of the second cylinder 103 of the present embodiment is provided with a plurality of communication holes 13.

[0042] In the present embodiment, the feed liquid enters the interior of the second cylinder 103 from the communication holes 13 around the periphery of the second cylinder 103, and is mixed with the gas sprayed from the non-return nozzle 3.

[0043] Embodiment seven

[0044] On the basis of embodiment one, as shown in Figure 3 The surface of the main shaft 5 of the present embodiment is integrally formed with a shaft shoulder 54, the middle of the first fan blade 4 is provided with a first shaft sleeve 41, the first shaft sleeve 41 is movably sleeved on the surface of the main shaft 5, the surface of the main shaft 5 is integrally formed with a first threaded mounting portion 53, a rustproof hexagonal nut 55 is threadedly mounted on the surface of the first threaded mounting portion 53, and the first shaft sleeve 41 is fixed by the rustproof hexagonal nut 55 and the shaft shoulder 54.

[0045] In the present embodiment, the first fan blade 4 is installed from the top end of the main shaft 5, the first shaft sleeve 41 of the first fan blade 4 is first sleeved above the shaft shoulder 54 of the main shaft 5, and the rustproof hexagonal nut 55 is then screwed on the first threaded mounting portion 53 to fasten the first shaft sleeve 41.

[0046] Embodiment eight

[0047] On the basis of embodiment seven, as shown in Figure 3 , 5 The bottom of the first shaft sleeve 41 of the present embodiment is provided with a first clamping groove 42, and the top of the shaft shoulder 54 is integrally formed with a clamping block matched with the first clamping groove 42.

[0048] In the present embodiment, the clamping block on the shaft shoulder 54 is matched with the first clamping groove 42, further ensuring that the first fan blade 4 can rotate with the main shaft 5.

[0049] Embodiment nine

[0050] On the basis of embodiment one, as shown in Figures 4-5 The middle of the second fan blade 6 of the present embodiment is provided with a second shaft sleeve 61, the second shaft sleeve 61 is movably sleeved on the surface of the main shaft 5, the surface of the main shaft 5 is integrally formed with a second clamping groove 56, the top of the second shaft sleeve 61 is provided with a circular groove matched with the second clamping groove 56, the surface of the main shaft 5 is integrally formed with a second threaded mounting portion 57, a threaded fastening cap 58 is threadedly mounted on the surface of the second threaded mounting portion 57, and the second shaft sleeve 61 is fixed by the threaded fastening cap 58.

[0051] In this embodiment, the second fan blade 6 is installed from the lower end of the main shaft 5. First, the second bushing 61 of the second fan blade 6 is put on the lower end of the main shaft 5. The second slot 56 matches the circular groove on the second bushing 61. Then, the second bushing 61 is fixed by the threaded fastening cap 58, thereby completing the installation of the second fan blade 6.

[0052] Example 10

[0053] Based on Example 1, such as Figure 2 As shown, in this embodiment, the position of the air intake pipe 12 is lower than the position of the second fan blade 6, and the position of the connecting hole 13 is lower than the position of the first fan blade 4.

[0054] In this embodiment, the compressed gas is ensured to pass through the second blade 6 before being ejected from the anti-reverse nozzle 3, thereby driving the rotation of the second blade 6; the liquid material is ensured to mix with the ejected gas from below the first blade 4, and then dispersed by the first blade 4, thereby increasing the contact area between the gas and the liquid material.

[0055] Working principle: Compressed gas is connected to the inlet pipe 12. The compressed gas passes through the second fan blade 6 and drives the second fan blade 6 to rotate. The main shaft 5 connects to drive the first fan blade 4 to rotate synchronously. After a certain amount of compressed gas enters the inner cavity of the mounting housing 1, a certain air pressure is generated. When the air pressure is greater than the opening threshold of the check nozzle 3, the gas is sprayed out from the check nozzle 3 and mixed into the liquid in the fermentation tank. After the liquid and gas are mixed, they are sprayed onto the first fan blade 4. The rotation of the first fan blade 4 will break the mixed gas into smaller bubbles, thereby increasing the contact area between the gas and the liquid and thus increasing the dissolved oxygen value.

Claims

1. A high efficiency gas sparger for a fursulfa fermentor comprising a mounting housing, characterized by: The axis position of the installation shell is rotatably installed with a main shaft, the main shaft is respectively fixed with a first fan blade and a second fan blade, the top of the installation shell is fixedly installed with an installation partition disc, the installation partition disc divides the installation shell into an inner part and an outer part, the second fan blade is arranged in the inner part of the installation shell, the first fan blade is arranged in the outer part of the installation shell, the installation partition disc is provided with a non-return nozzle, the side of the installation shell is fixedly installed with an air inlet pipe, and compressed gas is introduced into the installation shell through the air inlet pipe.

2. A high efficiency gas sparger for a valproic acid fermentor as claimed in claim 1, wherein, The installation shell comprises a first cylinder, a connecting pipe and a second cylinder, the first cylinder is located below the connecting pipe, the second cylinder is located above the second cylinder, the bottom of the first cylinder is fixedly installed with a flange mounting disc, and the air inlet pipe is located on the side of the first cylinder.

3. A high efficiency gas sparger for a valproic acid fermentor as claimed in claim 2, wherein, The bottom end of the main shaft is provided with a deep groove ball bearing, the top of the flange mounting disc is fixedly installed with a mounting sleeve, the outer ring of the deep groove ball bearing is fixedly sleeved in the mounting sleeve, and the inner ring of the deep groove ball bearing is fixedly sleeved at the bottom end of the main shaft.

4. A high efficiency gas sparger for a valproic acid fermentor as claimed in claim 1, wherein, The middle part of the installation partition disc is fixedly installed with a waterproof sleeve, the waterproof sleeve is movably sleeved on the surface of the main shaft, and a sealing ring is arranged between the waterproof sleeve and the main shaft.

5. A high efficiency gas sparger for a valproic acid fermentor as claimed in claim 1, wherein, The number of the non-return nozzles is several, the non-return nozzles are connected with the installation partition disc through threads, and sealing washers are arranged at the connecting positions of the non-return nozzles and the installation partition disc.

6. A high efficiency gas sparger for a valproic acid fermentor as claimed in claim 2, wherein, The side of the second cylinder is provided with a plurality of communication holes.

7. A high efficiency gas sparger for a valproic acid fermentor as claimed in claim 1, wherein, The surface of the main shaft is integrally formed with a shaft shoulder, the middle part of the first fan blade is provided with a first shaft sleeve, the first shaft sleeve is movably sleeved on the surface of the main shaft, the surface of the main shaft is integrally formed with a first threaded mounting part, the surface of the first threaded mounting part is threadedly installed with a rustproof hexagonal nut, and the first shaft sleeve is fixed with the shaft shoulder through the rustproof hexagonal nut.

8. A high efficiency gas sparger for a valproic acid fermentor according to claim 7, wherein The bottom of the first shaft sleeve is provided with a first clamping groove, and the top of the shaft shoulder is integrally formed with a clamping block matched with the first clamping groove.

9. A high efficiency gas sparger for a valproic acid fermentor as claimed in claim 1, wherein, The middle part of the second fan blade is provided with a second shaft sleeve, the second shaft sleeve is movably sleeved on the surface of the main shaft, the surface of the main shaft is integrally formed with a second clamping groove, the top of the second shaft sleeve is provided with a circular groove matched with the second clamping groove, the surface of the main shaft is integrally formed with a second threaded mounting part, the surface of the second threaded mounting part is threadedly installed with a threaded fastening cap, and the second shaft sleeve is fixed through the threaded fastening cap.

10. A high efficiency gas sparger for a valproic acid fermentor as claimed in claim 6, wherein, The position of the air inlet pipe is lower than that of the second fan blade, and the position of the communication hole is lower than that of the first fan blade.