High-dissolved-oxygen fermentation tank for polyglutamic acid production

Abstract

The utility model is suitable for the technical field of polyglutamic acid production, and provides a high-dissolved-oxygen fermentation tank for polyglutamic acid production, which comprises a base, the fermentation cylinder is rotationally mounted at the top of the base through a supporting ring and is used for storing a polyglutamic acid fermentation raw material; the connecting block is fixed on the base, and a connecting pipe which is rotationally connected with the fermentation cylinder and extends into the fermentation cylinder is mounted on the connecting block; the stirring rod is detachably mounted on the connecting pipe through a flange plate and is used for mixing polyglutamic acid fermentation raw materials; and an exhaust channel for conveying oxygen is arranged in the stirring rod. According to the high-dissolved-oxygen fermentation tank for polyglutamic acid production provided by the scheme, the oxygen adding covering effect and the oxygen dissolving efficiency can be guaranteed, and it can be guaranteed that fermentation raw materials are completely soaked in fermentation liquor so as to guarantee the fermentation effect.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the production technology field of polyglutamic acid, especially relates to a high oxygen dissolving fermentation tank for polyglutamic acid production. BACKGROUND

[0002] Polyglutamic acid is a kind of water-soluble, biodegradable, non-toxic, using microbial fermentation method obtained biological macromolecule material, polyglutamic acid can be used in fertilizer field, it can be used as the synergism of fertilizer, improves the utilization rate of fertilizer, and makes the root system of crop more developed, prevents crop lodging, significantly improves crop yield, and higher safety, in the application of organic agriculture, green agriculture has certain advantages.

[0003] Polyglutamic acid needs to be fermented by fermentation tank in production, polyglutamic acid needs to continuously import oxygen into fermentation tank when being fermented by fermentation tank, the current fermentation tank has the disadvantages of low oxygen dissolving rate and uneven oxygen dissolving when working, in addition, only the raw materials located at the bottom can be soaked in fermentation broth in the raw material fermentation process, which affects the fermentation efficiency of the raw materials located at the top. UTILITY MODEL CONTENT

[0004] The utility model provides a high oxygen dissolving fermentation tank for polyglutamic acid production, aims at solving the problem of low oxygen dissolving rate and uneven oxygen dissolving of the current fermentation tank when working proposed in above background art.

[0005] To solve the above problems, the utility model is realized in this way, a high oxygen dissolving fermentation tank for polyglutamic acid production, comprising: base;The fermentation cylinder for storing polyglutamic acid fermentation raw materials is rotatably installed on the top of the base through the support ring;The connecting block is fixed on the base, the connecting block is installed with the connecting pipe that is rotatably connected with the fermentation cylinder and extends to the fermentation cylinder;The stirring rod for mixing polyglutamic acid fermentation raw materials is detachably installed on the connecting pipe through the flange plate, the exhaust passage for conveying oxygen is arranged in the stirring rod;The baffle for closing the fermentation cylinder is detachably installed on the fermentation cylinder;The driving assembly for driving the fermentation cylinder to overturn is arranged on the base.

[0006] Preferably, the driving assembly includes the fixed frame fixed on the top of the base;The driving roller is rotatably installed on the fixed frame and is in contact with the outer wall of the fermentation cylinder, and the driving roller is used to transmit power;And the motor for outputting power is fixed on the top of the base, and the output shaft of the motor is connected with the driving roller.

[0007] Preferably, the stirring rod is provided with a branch pipe for mixing polyglutamic acid fermentation raw materials, the branch pipe is provided with an exhaust hole for outputting oxygen, the branch pipe is movably sleeved with a filter screen sleeve for isolating polyglutamic acid fermentation raw materials, and the filter screen sleeve is screw-mounted with a fixing bolt that can be screw-connected with the branch pipe.

[0008] Preferably, the connecting block is provided with an air inlet pipe connected with an oxygen generator through a threaded connection, and the side of the baffle away from the fermentation cylinder is provided with a handle and a pressure relief port, and a plug is detachably installed in the pressure relief port.

[0009] Preferably, a limiting cylinder is rotatably installed on the baffle, and a limiting block is fixed on the stirring rod and movably installed in the limiting cylinder.

[0010] Preferably, a connecting plate is installed on the baffle, the connecting plate is detachably installed on the fermentation cylinder through bolts, and a sealing ring in contact with the fermentation cylinder is installed on the side of the baffle close to the fermentation cylinder.

[0011] Preferably, an observation window is arranged on the fermentation cylinder, balls are arranged on the inner wall of the supporting ring, and a limiting groove is arranged on the outer wall of the fermentation cylinder, and the balls are in contact with the inner wall of the limiting groove.

[0012] Preferably, a hose section is arranged on the air inlet pipe, a feeding hopper serving as a feeding channel is threadedly installed in the pressure relief port, and an anti-skid sleeve is fixedly arranged on the outer side of the driving roller.

[0013] Compared with the related art, the polyglutamic acid production high-dissolved-oxygen fermentation tank has the following beneficial effects:

[0014] Compared with the prior art, the polyglutamic acid production high-dissolved-oxygen fermentation tank has the following beneficial effects: BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a front view structural schematic diagram of the polyglutamic acid production high-dissolved-oxygen fermentation tank provided by the utility model;

[0016] Figure 2 is a side view structural schematic diagram of the polyglutamic acid production high-dissolved-oxygen fermentation tank provided by the utility model;

[0017] Figure 3 is an enlarged structural schematic diagram of part A shown in Fig. Figure 2

[0018] Figure 4 ​This is a schematic diagram of the front sectional view of the baffle 11 in this utility model.

[0019] Reference numerals in the attached diagram: 1. Base; 2. Support ring; 3. Fermentation cylinder; 4. Connecting block; 5. Connecting pipe; 6. Flange; 7. Stirring rod; 8. Filter screen sleeve; 9. Ball bearing; 10. Connecting plate; 11. Baffle; 12. Handle; 13. Fixing frame; 14. Motor; 15. Drive roller; 16. Air inlet pipe; 17. Observation window; 18. Limiting block; 19. Limiting cylinder. Detailed Implementation

[0020] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein in the specification of the application is for the purpose of describing particular embodiments only and is not intended to limit the application; the terms "comprising" and "having," and any variations thereof, in the specification, claims, and foregoing drawings of this application are intended to cover non-exclusive inclusion. The terms "first," "second," etc., in the specification, claims, or foregoing drawings of this application are used to distinguish different objects, not to describe a particular order; the terms "inner," "outer," "left," and "right" indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

[0021] In this document, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0022] This utility model embodiment provides a high dissolved oxygen fermentation tank for polyglutamic acid production, such as... Figures 1-4 As shown, the high dissolved oxygen fermenter for polyglutamic acid production includes: a base 1; a fermentation cylinder 3 rotatably mounted on the top of the base 1 via a support ring 2 for storing polyglutamic acid fermentation raw materials; a connecting block 4 fixed on the base 1, on which a connecting pipe 5 is rotatably connected to the fermentation cylinder 3 and extends into the fermentation cylinder 3; a stirring rod 7 detachably mounted on the connecting pipe 5 via a flange 6 for mixing polyglutamic acid fermentation raw materials, the stirring rod 7 having an exhaust channel for conveying oxygen; a baffle 11 detachably mounted on the fermentation cylinder 3 for sealing the fermentation cylinder 3; and a drive assembly disposed on the base 1 for driving the fermentation cylinder 3 to rotate.

[0023] In the embodiment, the base 1 serves as the supporting base of the whole fermentation tank, ensures that the fermentation cylinder 3 and other components can be stably installed and operated, the fermentation cylinder 3 is used for storing polyglutamic acid fermentation raw materials, the rotatable characteristic of the fermentation cylinder 3 helps to improve the uniformity of dissolved oxygen and the fermentation efficiency of the raw materials in the fermentation process, the connecting block 4 is used for installing the connecting pipe 5, realizes the rotary connection with the fermentation cylinder 3, and ensures that oxygen and the stirring rod 7 can smoothly enter the fermentation cylinder 3, the connecting pipe 5 serves as the channel for oxygen delivery and the installation of the stirring rod 7, the stirring rod 7 is used for mixing the polyglutamic acid fermentation raw materials, meanwhile, the stirring rod 7 is provided with an exhaust passage, which is used for delivering oxygen into the fermentation cylinder 3, improves the oxygen dissolution rate, the exhaust passage is used for uniformly delivering oxygen to each part in the fermentation cylinder 3, solves the problems of low oxygen dissolution rate and non-uniform oxygen dissolution, and the baffle 11 is used for closing the fermentation cylinder 3, maintains the stability and safety of the fermentation environment, and through overturning the fermentation cylinder 3, the raw materials located at the top can also be soaked in the fermentation liquid, thereby improving the fermentation efficiency of the raw materials.

[0024] In the further preferred embodiment of the utility model, the driving assembly comprises a fixing frame 13 fixed on the top of the base 1, a driving roller 15 rotatably installed on the fixing frame 13 and in contact with the outer wall of the fermentation cylinder 3, wherein the driving roller 15 is used for power transmission, and a motor 14 fixed on the top of the base 1 and used for outputting power, wherein the output shaft of the motor 14 is connected with the driving roller 15.

[0025] In the embodiment, the fixing frame 13 serves as the installation base of the driving roller 15, ensures that the driving roller 15 can stably rotate and transmit power, and the driving roller 15 transmits power to the fermentation cylinder 3 through friction, so that the fermentation cylinder 3 can be overturned, this design is simple and effective, and can ensure the stability and continuity of the fermentation cylinder 3 during overturning, the motor 14 serves as the power source to drive the fermentation cylinder 3 to overturn, when it is needed to overturn the fermentation cylinder 3, the motor 14 is started, the output shaft of the motor 14 drives the driving roller 15 to rotate, the driving roller 15 transmits power to the fermentation cylinder 3 through friction, so that the fermentation cylinder 3 starts to overturn, and in the overturning process, the raw materials and the fermentation liquid in the fermentation cylinder 3 are fully mixed, meanwhile, the stirring rod 7 continues to work, so that the oxygen is uniformly distributed.

[0026] In the further preferred embodiment of the utility model, the stirring rod 7 is provided with a branch pipe used for mixing the polyglutamic acid fermentation raw materials, the branch pipe is provided with an exhaust hole used for outputting oxygen, a filter screen sleeve 8 used for isolating the polyglutamic acid fermentation raw materials is movably sleeved outside the branch pipe, and a fixing bolt threadedly connected with the branch pipe is threadedly installed on the filter screen sleeve 8.

[0027] In the embodiment, the branch pipe is used for dispersing oxygen more evenly into the fermentation liquid, and the branch pipe is provided with exhaust holes so that oxygen can be smoothly output and mixed with the fermentation liquid, the exhaust holes are used for outputting oxygen, and the exhaust holes ensure that oxygen can be uniformly distributed to each corner in the fermentation cylinder 3, the filter screen sleeve 8 is used for isolating polyglutamic acid fermentation raw materials, and prevents the raw materials from entering the branch pipe or the exhaust holes to cause blockage, the design of the filter screen sleeve 8 ensures the smooth output of oxygen and prevents the pollution of the raw materials and the damage of the equipment, and the fixing bolt is used for firmly fixing the filter screen sleeve 8 on the branch pipe, and prevents the filter screen sleeve 8 from falling off or shifting during stirring.

[0028] In the further preferred embodiment of the utility model, the connecting block 4 is provided with an air inlet pipe 16 connected with an oxygen generator through a threaded connecting piece, the side of the baffle 11 away from the fermentation cylinder 3 is provided with a handle 12 and a pressure relief port, and a plug is detachably installed in the pressure relief port.

[0029] In the embodiment, the connecting block 4 is used as a bridge for connecting the fermentation cylinder 3 and the connecting pipe 5, and the air inlet pipe 16 is installed in the connecting block 4 through a threaded connecting piece, the air inlet pipe 16 is used for conveying oxygen generated by the oxygen generator into the fermentation cylinder 3, the air inlet pipe 16 is installed in the connecting block 4 through a threaded connecting piece, ensuring the firmness and sealing performance of the connection, the handle 12 facilitates the opening and closing of the baffle 11 by the staff, and the cleaning, maintenance and raw material feeding of the fermentation cylinder 3 and other operations, the pressure relief port is used for releasing the pressure in the fermentation cylinder 3 during fermentation, preventing the damage of the equipment or safety problems caused by excessive pressure, and the plug is detachably installed in the pressure relief port, used for controlling the opening and closing of the pressure relief port.

[0030] In the further preferred embodiment of the utility model, the baffle 11 is rotatably provided with a limiting cylinder 19, the stirring rod 7 is fixedly provided with a limiting block 18, and the limiting block 18 is movably installed in the limiting cylinder 19.

[0031] In the embodiment, the limiting cylinder 19 is used for cooperating with the limiting block 18 on the stirring rod 7 to limit and fix the stirring rod 7, the design of the limiting cylinder 19 ensures the stability of the stirring rod 7 during stirring, preventing the damage of the equipment or safety problems caused by the shaking of the stirring rod 7, the cooperation of the limiting block 18 and the limiting cylinder 19 enables the stirring rod 7 to maintain a certain stability and trajectory during rotation, thereby improving the stirring effect and fermentation efficiency, and the design of the limiting block 18 and the limiting cylinder 19 makes the installation, disassembly and cleaning of the stirring rod 7 more convenient, improving the operability and maintainability of the equipment.

[0032] In the further preferred embodiment of the utility model, the baffle 11 is provided with a connecting plate 10, the connecting plate 10 is detachably installed on the fermentation cylinder 3 through a bolt, and the side of the baffle 11 close to the fermentation cylinder 3 is provided with a sealing ring in contact with the fermentation cylinder 3.

[0033] In the embodiment, the design of the connecting plate 10 enables the baffle 11 to be firmly mounted on the fermentation cylinder 3 while facilitating disassembly and replacement, the sealing ring is used to ensure the sealing between the baffle 11 and the fermentation cylinder 3, the design of the sealing ring prevents the fermentation liquid or gas from leaking from the gap between the baffle 11 and the fermentation cylinder 3, and guarantees the stability and safety of the fermentation environment; when the baffle 11 is mounted, the side of the baffle 11 with the sealing ring is directed towards the fermentation cylinder 3, ensuring that the sealing ring can be in close contact with the fermentation cylinder 3, then the connecting plate 10 is aligned with the connecting hole on the fermentation cylinder 3, and the connecting plate 10 and the fermentation cylinder 3 are firmly connected together using bolts.

[0034] In the further preferred embodiment of the utility model, the fermentation cylinder 3 is provided with an observation window 17, the inner wall of the supporting ring 2 is provided with a ball 9, and the outer wall of the fermentation cylinder 3 is provided with a limiting groove, and the ball 9 is in contact with the inner wall of the limiting groove.

[0035] In the embodiment, the observation window 17 is made of transparent or translucent material, which is used to observe the fermentation conditions inside the fermentation cylinder 3, such as the mixing state of raw materials, the color and bubbles of the fermentation liquid, etc., the design of the observation window 17 enables the staff to intuitively understand the fermentation process without opening the fermentation cylinder 3, improving the convenience and safety of operation, the ball 9 is in close contact with the limiting groove on the outer wall of the fermentation cylinder 3, so that the fermentation cylinder 3 can rotate or move more smoothly, reducing the heat and wear caused by friction and prolonging the service life of the equipment, and the limiting groove cooperates with the ball 9 on the inner wall of the supporting ring 2, which not only ensures the stability of the fermentation cylinder 3 during rotation or movement, but also prevents equipment damage or safety problems caused by shaking.

[0036] In the further preferred embodiment of the utility model, the air inlet pipe 16 is provided with a hose section, a feeding hopper serving as a feeding channel can be threadedly installed in the pressure relief opening, and an anti-skid sleeve is fixedly arranged on the outer side of the driving roller 15.

[0037] In the embodiment, the hose section of the air inlet pipe 16 is made of soft and elastic material, which is used to connect the air inlet pipe 16 with an oxygen generator or other gas source, and also facilitates the adjustment of the position and angle of the air inlet pipe 16 to adapt to different installation environments and operation requirements, the design of the feeding hopper enables the staff to conveniently add raw materials or perform other operations in the fermentation cylinder 3 through the pressure relief opening without opening the baffle 11 of the fermentation cylinder 3, improving the convenience and safety of operation, and the design of the anti-skid sleeve increases the friction between the driving roller 15 and the fermentation cylinder 3, preventing problems such as uneven stirring or equipment damage caused by slipping.

[0038] In summary, compared with the related art, the device improves the oxygen dissolving rate, promotes the uniform mixing of the fermentation raw materials, and improves the fermentation efficiency by the rotatable fermentation cylinder 3, the stirring rod 7 with the oxygen delivery function, the driving assembly and the like.

[0039] In several embodiments provided in the present application, it should be understood that the disclosed device can be implemented by other ways.

[0040] The above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the protection scope of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments. Based on these embodiments, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application. Although the present application has been described in detail with reference to the above embodiments, those skilled in the art can still combine, add or delete the features in the embodiments of the present application according to the circumstances without creative labor, so as to obtain different other technical solutions which do not deviate from the concept of the present application in essence. These technical solutions also belong to the scope of the present application.

Claims

1. A high-dissolved-oxygen fermenter for polyglutamic acid production, characterized by comprising: The utility model relates to a polyglutamic acid fermentation device, which comprises: a base; a fermentation cylinder for storing polyglutamic acid fermentation raw materials rotatably mounted on the top of the base through a supporting ring; a connecting block fixed on the base, the connecting block being provided with a connecting pipe rotatably connected with the fermentation cylinder and extending into the fermentation cylinder; a stirring rod for mixing polyglutamic acid fermentation raw materials detachably mounted on the connecting pipe through a flange, the stirring rod being provided with an exhaust passage for conveying oxygen; a baffle for closing the fermentation cylinder detachably mounted on the fermentation cylinder; a driving assembly arranged on the base for driving the fermentation cylinder to overturn.

2. The high dissolved oxygen fermenter for polyglutamic acid production according to claim 1, wherein The driving assembly comprises: a fixed frame fixed on the top of the base; a driving roller rotatably mounted on the fixed frame and in contact with the outer wall of the fermentation cylinder, the driving roller being used for transmitting power; and a motor fixed on the top of the base for outputting power, the output shaft of the motor being connected with the driving roller.

3. The high dissolved oxygen fermenter for polyglutamic acid production according to claim 1, wherein The stirring rod is provided with a sub-pipe for mixing polyglutamic acid fermentation raw materials, the sub-pipe is provided with an exhaust hole for outputting oxygen, an outer movable sleeve of the sub-pipe is provided with a filter screen sleeve for isolating polyglutamic acid fermentation raw materials, and the filter screen sleeve is provided with a fixing bolt threadedly connected with the sub-pipe.

4. The high dissolved oxygen fermenter for polyglutamic acid production according to claim 2, wherein The connecting block is provided with an air inlet pipe connected with an oxygen generator through a threaded connecting piece, the side of the baffle away from the fermentation cylinder is provided with a handle and a pressure relief port, and the pressure relief port is detachably provided with a plug.

5. The high dissolved oxygen fermenter for polyglutamic acid production according to claim 1, wherein The baffle is rotatably provided with a limiting cylinder, the stirring rod is fixedly provided with a limiting block, and the limiting block is movably mounted in the limiting cylinder.

6. The high dissolved oxygen fermenter for polyglutamic acid production according to claim 1, wherein The baffle is provided with a connecting plate, the connecting plate is detachably mounted on the fermentation cylinder through a bolt, and the side of the baffle close to the fermentation cylinder is provided with a sealing ring in contact with the fermentation cylinder.

7. The high dissolved oxygen fermenter for polyglutamic acid production according to claim 1, wherein The fermentation cylinder is provided with an observation window, the inner wall of the supporting ring is provided with a ball, the outer wall of the fermentation cylinder is provided with a limiting groove, and the ball is in contact with the inner wall of the limiting groove.

8. The high dissolved oxygen fermenter for polyglutamic acid production according to claim 4, wherein The air inlet pipe is provided with a hose section, the pressure relief port is threadedly provided with a feeding hopper as a feeding channel, and the outer fixed sleeve of the driving roller is provided with an anti-skid sleeve.

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