CN216890936U

CN216890936U - Rotary dynamic ventilation device

Info

Publication number: CN216890936U
Application number: CN202220003319.XU
Authority: CN
Inventors: 田泊凝; 田克勤; 胡晓艳; 朱海立; 程强
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-01-04
Filing date: 2022-01-04
Publication date: 2022-07-05
Anticipated expiration: 2032-01-04

Abstract

The utility model discloses a rotary dynamic ventilating device, which comprises a kettle body, wherein a ventilating piece is arranged at the lower end in the kettle body, a stirring shaft is arranged in the kettle body and driven by a stirrer, the ventilating piece is fixedly connected to the stirring shaft, so that when the stirring shaft rotates, the ventilating piece can rotate along with the stirring shaft, a main ventilating pipe is inserted into the kettle body from the bottom of the kettle body and is communicated with the ventilating piece. The ventilating piece comprises a ventilating pipe and a first ventilating hole, the first ventilating hole is uniformly formed in the lower end of the ventilating pipe, and the ventilating pipe is fixedly connected to the surface of the stirring shaft. In the implementation process of the utility model, the bubbles and the liquid material can be fully mixed and contacted and are formed into small bubbles, so that the oxygen dissolving effect of the material is increased, the requirements on the growth and metabolism of microorganisms are greatly met, and the product can be efficiently generated.

Description

Rotary dynamic ventilation device

Technical Field

The utility model belongs to the technical field of ventilation devices, and particularly relates to a rotary dynamic ventilation device.

Background

With the rapid development of the biological fermentation, biochemical and biopharmaceutical industries in China, the research and development of gas-liquid mixing forms and devices suitable for different needs of the industries are the key points of increasing the product yield, improving the production efficiency and reducing the production cost. The majority of biological fermentation and biological pharmacy is aerobic fermentation, sterile air is introduced into a fermentation tank, gas-liquid mixing is carried out under the action of stirring, the normal growth of microorganisms and the synthesis of metabolites are maintained through uniform mass transfer and oxygen transfer, and due to the difference of microorganism types and metabolites, the difference of the requirements of the fermentation process on oxygen in the air is large, but no matter whether the oxygen demand is large or small, the gas (air, oxygen and the like) introduced into the tank can be fully mixed with the liquid, so that the gas-liquid contact area is increased, which is the focus of attention of many researchers engaged in the biological fermentation industry.

At present, the common mode for realizing the common recognition at home and abroad adopts a fixed type ventilation device as shown in figures 2 and 3, gas is introduced into an annular ventilation ring pipe at the bottom of a kettle through a gas inlet pipe, a plurality of upward and (or) downward small holes are formed in the ventilation ring pipe to serve as second ventilation holes, and the gas is sprayed upwards (or downwards) from the second ventilation holes to form cylindrical gas flow. When the agitator rotates in jar, the material drives gaseous rising in the jar, and the orbit that rises becomes the spiral tube-shape, and bubble and the liquid material of this kind of mode gas do not contact through intensive mixing and just knot soon becomes big bubble discharge fermentation cylinder, cause the dissolved oxygen effect poor, are difficult to satisfy microorganism growth and metabolism demand, have influenced the high-efficient formation of target product. Particularly for the large-aeration high-aerobic fermentation belonging to the field of biological pharmacy, the bottleneck problem of improving dissolved oxygen is needed to be solved.

Disclosure of Invention

In view of the above situation, the present invention provides a rotary dynamic ventilating device to overcome the drawbacks of the prior art, and effectively solves the problems in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a rotation type developments breather, includes the cauldron body, the position that the inside of the cauldron body is located the lower extreme is provided with the piece of ventilating, the internal (mixing) shaft that is provided with of cauldron, the (mixing) shaft passes through the agitator and drives, and the piece rigid coupling of ventilating is on the (mixing) shaft to when making the (mixing) shaft rotate, the piece of ventilating can rotate along with it, and it is internal to ventilate to be responsible for to insert the cauldron by the bottom of the cauldron body, and ventilate and be responsible for and ventilate the piece and be linked together.

Furthermore, the ventilation piece comprises a ventilation pipe and a first ventilation hole, the first ventilation hole is uniformly formed in the lower end of the ventilation pipe, and the ventilation pipe is fixedly connected to the surface of the stirring shaft.

Further, the number of the ventilation pieces is multiple.

Further, still include air inlet pipeline and check valve, the air inlet pipeline is linked together with the person in charge of ventilating, and the check valve is installed on the air inlet pipeline.

Furthermore, the air inlet pipeline is provided with a mechanical seal, and the mechanical seal is fixedly connected to the bottom of the kettle body.

Compared with the prior art, the utility model has the beneficial effects that:

when the utility model is used, the bubbles and the liquid material can be fully mixed and contacted and are formed into small bubbles, so that the oxygen dissolving effect of the material is increased, the requirements of microorganism growth and metabolism are greatly met, and the product can be efficiently generated.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic diagram of a prior art structure;

fig. 3 is a schematic top view of the vent collar.

In the figure: 1. a kettle body; 2. a stirrer; 3. a stirring shaft; 101. a breather pipe; 102. a first vent hole; 103. a main ventilation pipe; 104. mechanical sealing; 105. a check valve; 106. an air intake line; 201. a venting collar; 202. a second vent.

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.

As shown in figure 1, the utility model discloses a rotary dynamic aeration device, which comprises a kettle body 1, an air inlet pipeline 106 and a check valve 105, wherein an aeration part is arranged at the lower end inside the kettle body 1, an agitating shaft 3 is arranged in the kettle body 1, the agitating shaft 3 is driven by a stirrer 2, the aeration part is fixedly connected on the agitating shaft 3, so that when the agitating shaft 3 rotates, the aeration part can rotate along with the agitating shaft 3, an upward spiral cylindrical vortex can be formed when the gas rises, the external gas can enter the aeration part and be discharged into the kettle body 1 along with the aeration part, the gas and the materials are mixed, the number of the aeration parts is multiple, the requirement of using is met, an air main pipeline 103 is inserted into the kettle body 1 from the bottom of the kettle body 1, the air main pipeline 103 is communicated with the aeration part, the air inlet pipeline 106 is communicated with the air main pipeline 103, a check valve 105 is mounted on the intake line 106.

The aeration member comprises an aeration pipe 101 and a first vent hole 102, gas entering the aeration member is discharged into the kettle body 1 through the first vent hole 102, the first vent hole 102 is uniformly arranged at the lower end of the aeration pipe 101, and the aeration pipe 101 is fixedly connected to the surface of the stirring shaft 3.

The air inlet pipeline 106 is provided with a mechanical seal 104, and the mechanical seal 104 is fixedly connected at the bottom of the kettle body 1.

When the device is used, the lower part of the kettle body 1 is ventilated, and the specific structure is as follows: the lower end of the stirring shaft is connected with a main ventilation pipe 103, and a plurality of ventilation pipes 101 are arranged on the main ventilation pipe 103.

A plurality of first vent holes 102 are formed in the vent pipe 101, a vent main pipe 103 extends out of the bottom of the kettle body 1 and rotates along with the stirring shaft 3, a mechanical seal 104 is arranged between the vent main pipe 103 and the bottom of the kettle body 1 for sealing to prevent the leakage of materials, the lower surface of the vent main pipe 103 is connected with an air inlet pipeline 106, and a check valve 105 is arranged to prevent the air from entering only.

When the vent pipe 101 rotates along with the stirring shaft 3, the first vent hole 102 is in a shape of a high-speed rotating disc, gas is sprayed out from numerous small holes (namely the first vent hole 102) on the disc and rises and rotates along with the stirring material, the rising track of the gas forms a large spiral cylinder for distribution, and then the gas is forcibly crushed by stirring, so that the formed tiny bubbles are distributed in the whole kettle body and strongly collide with liquid in the kettle body, thereby promoting gas-liquid mixing and gas absorption, eliminating the defect that the big bubbles quickly drift and rise and move out of the reaction kettle, improving the gas content of the liquid, providing sufficient oxygen, and opening up a new way for the high-efficiency production of bio-fermentation, biochemical and bio-pharmaceutical target products.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a rotation type developments breather, includes the cauldron body (1), its characterized in that: the position that the inside of the cauldron body (1) is located the lower extreme is provided with the piece of ventilating, be provided with (mixing) shaft (3) in the cauldron body (1), stirring shaft (3) drive through agitator (2), the piece rigid coupling of ventilating is on (mixing) shaft (3) to when making (mixing) shaft (3) rotate, the piece of ventilating can rotate along with it, and the person in charge (103) of ventilating is inserted in cauldron body (1) by the bottom of the cauldron body (1), and ventilates and be responsible for (103) and be linked together with the piece of ventilating.

2. A rotary dynamic aerator as claimed in claim 1, wherein: the ventilation piece comprises a ventilation pipe (101) and a first ventilation hole (102), the first ventilation hole (102) is uniformly formed in the lower end of the ventilation pipe (101), and the ventilation pipe (101) is fixedly connected to the surface of the stirring shaft (3).

3. A rotary dynamic aerator as claimed in claim 1, wherein: the number of the ventilation pieces is multiple.

4. A rotary dynamic aerator as claimed in claim 1, wherein: the air inlet pipeline (106) and the check valve (105) are further included, the air inlet pipeline (106) is communicated with the ventilation main pipe (103), and the check valve (105) is installed on the air inlet pipeline (106).

5. A rotary dynamic aerator as claimed in claim 4, wherein: the air inlet pipeline (106) is provided with a mechanical seal (104), and the mechanical seal (104) is fixedly connected to the bottom of the kettle body (1).