CN207904238U - Fermentation tank - Google Patents

Abstract

The utility model is applicable to the technical field of pharmaceutical and chemical equipment, and provides a fermenter, which includes a tank body, a base arranged at the bottom of the tank body, a material inlet, a material outlet, and a stirring assembly. The stirring assembly includes a driving shaft and a driving device. The driving shaft is equipped with a defoamer, a connecting frame driven by the driving shaft and a driving gear. The stirring assembly also includes a driven shaft hinged with the connecting frame. The driven shaft is provided with a driven gear meshing with the driving gear. The driving shaft is provided with a number of stirring blades axially distributed around the driven shaft. Compared with the prior art, the fermenter provided by the utility model is provided with a connecting frame and a driving gear on the driving shaft, and adding a driven shaft hinged with the connecting frame and a driven gear meshing with the driving gear, so that the The stirring blade on the driven shaft can not only rotate and stir but also revolve around the driving shaft, so that the area close to the driving shaft can generate greater centrifugal stirring power, enhance the stirring effect, and avoid dead zones in this area.

Description

Fermenter

technical field

The utility model belongs to the technical field of medical and chemical equipment, and more specifically relates to a fermenter.

Background technique

Fermentation tank refers to the device used for microbial fermentation in industry. Fermentation tank is widely used in the fermentation industry and has gradually replaced traditional fermentation vessels. It has played an important role in realizing continuous scale production, increasing production and yield. Microbial fermentation refers to the process of using microorganisms to convert raw materials into products needed by humans through specific metabolic pathways under suitable conditions. The production level of microbial fermentation mainly depends on the genetic characteristics and culture conditions of the strain itself.

The stirring paddle used for gas-liquid dispersion in the existing fermenter is usually a disc straight-blade turbine stirring paddle, which belongs to the radial flow paddle. The paddle includes a driving shaft and a stirring paddle. , this kind of stirring paddle in the area close to the driving shaft due to the too small centrifugal force, the stirring effect is not good, and it is easy to produce a dead zone.

Utility model content

The purpose of the utility model is to provide a fermenter, aiming to solve the technical problems in the prior art that the fermenter near the drive shaft is not well stirred and dead zones are likely to occur.

In order to achieve the above purpose, the technical solution adopted by the utility model is: a fermenter, including a tank body, a base located at the bottom of the tank body, a feed port provided on the tank body, a discharge port, and a base located at the bottom of the tank body The stirring assembly inside the tank body, the stirring assembly includes a driving shaft and a driving device that provides power for the driving shaft, the driving device is arranged on the top of the tank body, and the driving shaft is sequentially arranged from top to bottom A defoamer, a connecting frame driven by the driving shaft and a driving gear are installed, and the stirring assembly also includes a driven shaft hinged with the connecting frame, and the axial direction of the driven shaft is the same as that of the driving shaft. The axial direction is arranged in parallel, the driven shaft is provided with a driven gear meshing with the driving gear, and the driven shaft is provided with a number of stirring blades axially distributed around the driven shaft.

Further, it also includes a jacket wrapped on the outside of the tank for cooling or heating the tank through circulating water.

Further, a gas distributor is provided at the bottom of the tank.

Further, a first sensor for measuring the internal temperature of the tank is also included.

Further, a second sensor for measuring the pH value inside the tank is also included.

Further, it also includes a controller provided with a display panel, the input terminals of the controller are respectively electrically connected to the first sensor and the second sensor, and the output terminals of the controller are electrically connected to the display panel .

Further, the driving device is a motor, and the motor is fixedly arranged on the tank body.

Further, the tank body is provided with a sight glass for observation.

Further, the stirring blade includes at least one first rod body vertically arranged to the driven shaft and several second rod bodies arranged on the first rod body and vertically connected to the first rod body.

Compared with the prior art, the fermenter provided by the utility model is provided with a connecting frame and a driving gear on the driving shaft, and adding a driven shaft hinged with the connecting frame and a driven gear meshing with the driving gear, so that the The stirring blade on the driven shaft can not only rotate and stir but also revolve around the driving shaft, so that the area close to the driving shaft can generate greater centrifugal stirring power, enhance the stirring effect, and avoid dead zones in this area.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the utility model, the following will briefly introduce the accompanying drawings that are required in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only the practical For some novel embodiments, those skilled in the art can also obtain other drawings based on these drawings without any creative work.

Fig. 1 is the structural representation of the fermentation tank that the utility model embodiment provides;

Fig. 2 is the enlarged view of place A in Fig. 1;

Wherein, each reference sign in the figure:

1. Tank body; 2. Feed inlet; 3. Discharge port; 4. Base; 5. Jacket; 6. Gas distributor; 7. Defoamer; 8. Driving shaft; 9. Connecting frame; 10. 11. driven gear; 12. driven shaft; 13. first rod body; 14. second rod body; 15. first sensor; 16. second sensor; 17. mirror; 18. driving device.

Detailed ways

In order to make the technical problems, technical solutions and beneficial effects to be solved by the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

It should be noted that the terms "length", "width", "height", "thickness", "top", "bottom", "front", "back", "left", "right", "vertical" , "horizontal", "top", "bottom", "inner", "outer", "head", "tail" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only for It is convenient to describe the utility model and simplify the description, but not to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation of the utility model.

It should also be noted that terms such as "installation", "connection", "connection", "fixation" and "setup" should be understood in a broad sense unless otherwise clearly stipulated and limited, for example, it can be fixed connection or It is a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediary, and it can be the internal communication of two components or the interaction relationship between two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model according to specific situations.

In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present utility model, the meanings of "plurality" and "several" are two or more, unless otherwise specifically defined.

Referring to Fig. 1 and Fig. 2, the embodiment of the fermenter provided by the utility model is now described. The fermenter comprises a tank body 1, a base 4 arranged at the bottom of the tank body 1, a feed inlet 2 arranged on the tank body 1, a feed outlet 3 and a stirring assembly arranged inside the tank body. The stirring assembly includes a driving shaft 8 and a driving device 18 that provides power for the driving shaft 8. The driving device 18 is arranged on the top of the tank body 1, and the driving shaft 8 is sequentially equipped with a defoamer 7 from top to bottom, driven by the driving shaft 8. The rotating connecting frame 9 and the driving gear 10 , the connecting frame 9 and the driving shaft 8 can be connected by welding, key connection or interference fit, and the connecting frame 9 rotates with the rotation of the driving shaft 8 . The driving gear 10 can be connected with the driving shaft 8 through a key connection or an interference fit connection, and the driving gear 10 rotates with the driving shaft 8 together. The stirring assembly also includes a driven shaft 12 hinged with the connecting frame 9, the axial direction of the driven shaft 12 is arranged parallel to the axial direction of the driving shaft 8, the driven shaft 12 can rotate relative to the connecting frame 9, and the driven shaft 12 also It can revolve around the axis of the drive shaft 8 together with the connecting frame 9 . The driven shaft 12 is provided with a driven gear 11 meshing with the driving gear 10. The driven gear 11 can be connected to the driven shaft 12 through a key connection or an interference fit connection, and the driven gear 11 drives the driven shaft 12 to rotate together. . The driven shaft 12 is provided with a plurality of stirring blades axially distributed around the driven shaft 12 . Wherein, the structure of the stirring blade is not limited, it can be a conventional blade structure or a stirring rod structure, etc.; the defoamer 7 is used to break the foam in the tank body 1, and the defoamer 7 can adopt a conventional mechanical defoamer.

When the fermenter provided by the embodiment of the present invention is used for stirring operation, the driving device 18 drives the driving shaft 8 to rotate, and the driving shaft 8 drives the connecting frame 9 and the driving gear 10 to rotate. Because the driven shaft 12 is hingedly arranged on the connecting frame 9, the driven shaft 12 will revolve around the axis of the driving shaft 8. At the same time, because the driven shaft 12 is provided with a driven gear meshed with the driving gear 10 11, so the driven shaft 12 will also be driven by the driven gear 11 to complete the rotation, so the stirring blades arranged on the driven shaft 12 will revolve around the driving shaft 8 for stirring, and at the same time, the stirring blades will also rotate by themselves for stirring. In this way, the area near the driving shaft 8 in the tank body 1 will also have relatively strong centrifugal stirring power, and this area will have a relatively good stirring effect, and no dead zone will be generated.

Compared with the prior art, the fermentation tank provided by the embodiment of the utility model is provided with a connecting frame and a driving gear on the driving shaft, and adding a driven shaft hinged with the connecting frame and a driven gear meshing with the driving gear, so that The stirring blades arranged on the driven shaft can not only rotate and stir but also revolve around the driving shaft, so that the area close to the driving shaft generates greater centrifugal stirring power, enhances the stirring effect, and avoids dead zones in this area.

Further, please refer to Fig. 1 and Fig. 2, in order to obtain a better stirring effect, the stirring assembly includes two driven shafts 12, and each driven shaft 12 is provided with a driven gear 11 meshing with the driving gear 10 respectively , the two driven shafts 12 are set at intervals of 180 degrees relative to the center of revolution (that is, the driving shaft 8). Optionally, each driven shaft 12 also includes at least two groups of agitating blades arranged at intervals of 180 degrees.

Further, referring to Fig. 1 and Fig. 2, the fermenter provided by the embodiment of the present invention also includes a jacket 5 wrapped on the outside of the tank body 1 for circulating water to cool or heat the tank body 1. The circulating water in the sleeve 5 can control the temperature of the tank body 1, so that the tank body 1 can maintain a temperature that is beneficial to the fermentation reaction. The jacket 5 is arranged in the middle of the tank body 1 and below, higher than the height of the liquid in the tank body 1, and covers the bottom of the tank body 1. A water inlet is provided at the bottom of the jacket 5, and a water outlet is provided at the top.

Further, referring to FIG. 1 and FIG. 2 , a gas distributor 6 is provided at the bottom of the tank body 1 . The gas distributor 6 can select a larger gas outlet aperture, and the uniform diffusion of the gas in the tank body 1 can be realized through the stirring component, which is beneficial to the fermentation process with a large oxygen demand. The gas distributor 6 is preferably arc-shaped, and the gas outlets are evenly distributed on the arc surface.

Further, please refer to Fig. 1 and Fig. 2, as a specific embodiment of the fermenter provided by the utility model, the fermentor provided by the embodiment of the utility model also includes a first sensor 15 for measuring the internal temperature of the tank body 1 . Optionally, for the convenience of observation, the first sensor 15 can be connected with a display terminal for visual reading; the display terminal can be a monitor, a controller with a display panel, a mobile phone, and the like.

Further, referring to FIG. 1 and FIG. 2 , the fermenter provided by the embodiment of the present invention further includes a second sensor 16 for measuring the pH value inside the tank body 1 . Optionally, for the convenience of observation, the second sensor 16 can be connected with a display terminal for visual reading; the display terminal can be a monitor, a controller with a display panel, a mobile phone, and the like.

Further, as a specific implementation of the fermenter provided by the utility model, the fermentor provided by the embodiment of the utility model also includes a controller provided with a display panel, and the input end of the controller is connected with the first sensor 15 and the second sensor respectively. The two sensors 16 are electrically connected, and the output terminal of the controller is electrically connected to the display panel, so as to display the monitoring values of the first sensor 15 and the second sensor 16 on the display panel for the operator to read. Optionally, the output terminal of the controller is also connected with the alarm device, and when the controller detects that one or both of the first sensor 15 and the second sensor 16 reaches the limit value, the controller controls the alarm device to sound to prompt operator.

Further, as a specific embodiment of the fermenter provided by the present invention, the display panel of the controller is arranged on the tank body 1 for the convenience of the operator to observe.

Further, please refer to FIG. 1 and FIG. 2 , the tank body 1 is provided with a sight glass 17 for observation, through which the operator can observe the situation inside the tank body 1 so as to control the fermentation reaction.

Further, please refer to Fig. 1 and Fig. 2, as a specific embodiment of the fermenter provided by the present invention, the stirring blade includes at least one first rod body 13 arranged perpendicularly to the driven shaft 12 and several shafts arranged on the first rod body 13 and the second rod body 14 vertically connected to the first rod body 13. Several second rod bodies 14 may be vertically arranged on the first rod body 13 in two layers.

Preferably, the second rod body 14 is also provided with a rake tooth structure, which is a micro-triangular structure, and the rake tooth structure is conducive to mechanically shearing the air bubbles generated by the gas distributor 6, and is conducive to making the diameter of the air bubbles smaller and dispersed. Uniformity, increasing the residence time, increasing the dissolved oxygen in the feed liquid.

Furthermore, as a specific embodiment of the fermentation tank provided by the present invention, the driving device 18 is a motor, and the motor is fixedly arranged on the top of the tank body 1 .

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present utility model shall be included in this utility model. within the scope of protection of utility models.

Claims (9)

1. fermentation tank, including tank body, the pedestal set on the tank base, the feed inlet on the tank body, discharge port and Set on the mixing component of the tank interior, the mixing component includes driving shaft and provides the driving of power for the driving shaft Device, the driving device are set to the top of the tank body, it is characterised in that：It is from top to bottom sequentially installed on the driving shaft Froth breaker, the link and driving gear that rotation is driven by the driving shaft, the mixing component further include and the link Hinged driven shaft, the axial direction of the driven shaft are arranged in an axially parallel mode with the driving shaft, be provided on the driven shaft with The driven gear of the driving gear engagement, the driven shaft are equipped with several paddles being axially distributed around the driven shaft Piece.

2. fermentation tank as described in claim 1, it is characterised in that：Further include being wrapped on the outside of the tank body for leading to recirculated water Cooling or heating chuck is carried out to the tank body.

3. fermentation tank as described in claim 1, it is characterised in that：Bottom in the tank body is equipped with gas distributor.

4. fermentation tank as described in claim 1, it is characterised in that：Further include first for measuring the tank interior temperature Sensor.

5. fermentation tank as claimed in claim 4, it is characterised in that：Further include second for measuring the tank interior pH value Sensor.

6. fermentation tank as claimed in claim 5, it is characterised in that：Further include the controller equipped with display panel, the control The input terminal of device is electrically connected with the first sensor and the second sensor respectively, the output end of the controller with it is described Display panel is electrically connected.

7. fermentation tank as described in claim 1, it is characterised in that：The driving device is motor, the motor fixed setting On the tank body.

8. fermentation tank as described in claim 1, it is characterised in that：The tank body is equipped with the visor for observation.

9. fermentation tank as described in claim 1, it is characterised in that：The stirring blade includes at least one and the driven shaft Vertically disposed first body of rod and several the second bars being arranged on first body of rod and be vertically connected with first body of rod Body.