CN213570482U

CN213570482U - Fermentation tank with weighing system

Info

Publication number: CN213570482U
Application number: CN202022093756.9U
Authority: CN
Inventors: 潘璐璐; 倪鸣; 王庆波; 崔峰; 林川岸; 杨超; 吉礼兵
Original assignee: Qingdao Huada Zhizao Pratt & Whitney Technology Co ltd
Current assignee: Qingdao Huada Zhizao Pratt & Whitney Technology Co ltd
Priority date: 2020-09-22
Filing date: 2020-09-22
Publication date: 2021-06-29
Anticipated expiration: 2030-09-22

Abstract

The utility model provides a fermentation cylinder with weighing system, including connect in the feeding weighing module on jar body upper portion, set up in jar body weighing module of jar body bottom central authorities and connect in the ejection of compact weighing module of jar body lower part. The feeding weighing module is used for directly weighing materials in the first weighing cup before feeding to obtain feeding quality, the discharging weighing module is used for directly weighing the materials in the second weighing cup after discharging of the fermentation tank to obtain discharging quality, the problem that the mass change of the tank body before and after feeding (discharging) cannot accurately represent the feeding (discharging) quality is solved, devices such as a continuous regulating valve with high price are not needed, and the cost can be greatly reduced.

Description

Fermentation tank with weighing system

Technical Field

The utility model relates to a biological fermentation technical field especially relates to a fermentation cylinder with weighing system.

Background

In the biofermentation industry, cell culture density and target product (e.g. enzyme preparation) expression levels are mainly dependent on the physiological metabolic properties of the cells and the flow field properties of the fermentor (bioreactor). The flow field characteristics of the fermentation tank are closely related to the control of material flow of the fermentation tank besides mechanical design parameters and processing parameters such as the type of the stirring blade, the size of the tank body and the like. In the optimization of the fermentation process, particularly the optimization of the fermentation process taking cell metabolic flow as a core, the control of material flow directly influences the final fermentation result.

However, the control of the material flow is primarily based on a high-precision weighing module. The existing weighing module adopts an electromagnetic flowmeter, a mass flowmeter and the like for metering, has higher precision but higher price, and particularly in the fermentation industry, a continuous regulating valve with high price must be used. If bubbles are present in the feed liquid, the accuracy is also reduced.

SUMMERY OF THE UTILITY MODEL

To the problem among the prior art, the utility model provides a fermentation cylinder with weighing system to solve the problem that current measurement system is high in price and precision is not high.

In order to achieve the above purpose, the technical scheme of the utility model is that: the utility model provides a fermentation cylinder with weighing system, its includes a jar body, weighing system is including connecting in the feeding weighing module of jar body upper portion, setting up in jar body weighing module of jar body bottom central authorities and connecting in jar ejection of compact weighing module of body lower part. The feeding weighing module comprises a first sensor, a first cantilever, a first support and a first weighing cup, the first sensor is connected with the first support through the first cantilever, the first weighing cup is connected with the first sensor, the first weighing cup is further connected with a feeding pipeline of the fermentation tank, and the first sensor is used for sensing the feeding weight in the first weighing cup. The tank body weighing module comprises a second sensor and a second cantilever, and the second sensor is used for weighing the weight of the materials in the tank body. The discharging and weighing module comprises a third sensor, a third cantilever, a third support and a third weighing cup, the third sensor is connected with the third support through the third cantilever, the third weighing cup is connected with the third sensor, the third weighing cup is further connected with a discharging pipeline of the fermentation tank, and the third sensor is used for sensing the discharging weight in the third weighing cup.

When feeding, if the mass change before and after the feeding of the fermentation tank obtained by the tank body weighing module is regarded as the feeding mass, the mass change can not accurately represent the real feeding mass due to the influences of the pressure of various inlets and outlets of the tank body, air, foam and the like in the feed liquid. Similarly, during discharging, due to the influence of pressure, air, foam and the like in the material liquid, the mass change of the fermentation tank before and after discharging, which is obtained by the tank body weighing module, cannot accurately represent the real discharging mass. Therefore, the fermentation cylinder sets up feeding weighing module and ejection of compact weighing module, and feeding weighing module is used for directly weighing the material in the first weighing cup before the feeding (be the feeding quality promptly), and ejection of compact weighing module is used for directly weighing the material in the third weighing cup behind the fermentation cylinder ejection of compact (be ejection of compact quality promptly), has overcome the problem that the quality change around the jar body is advanced (is gone out) and can not the accurate representation advance (go out) the material quality.

In some comparatively concrete embodiments, the top outside of the jar body is equipped with agitator motor, the internal stirring rake that is equipped with of jar, agitator motor's output shaft with the stirring rake transmission is connected.

In some more specific embodiments, the stirring paddle is a propeller or a turbine paddle. The bubbles can be dispersed and finely crushed by stirring, the gas and the liquid can be fully mixed, the necessary dissolved oxygen of the fermentation liquor is ensured, and the O content is increased₂The utilization ratio of (2).

In some specific embodiments, the tank body is further provided with a pH sensor, a liquid level sensor, a temperature sensor and a dissolved oxygen sensor. The pH sensor is used for collecting the pH value of fermentation liquor in the fermentation tank, so that an operator can adjust the pH value in the tank in time. The liquid level sensor is used for collecting the liquid level in the fermentation tank. The temperature sensor is used for collecting the temperature value in the fermentation tank, and if the temperature does not accord with the preset temperature, an operator can carry out heating or cooling treatment. The dissolved oxygen sensor is used for collecting the dissolved oxygen amount in the fermentation tank, and if the dissolved oxygen is insufficient, an operator needs to take corresponding measures according to fermentation conditions and the like, such as increasing the ventilation volume, increasing the stirring speed of the stirring paddle and the like.

In some specific embodiments, the tank body is further provided with a prepared hole, the prepared hole can be used for a tool to be arranged in a penetrating way during installation or disassembly, a heating rod, a thermometer, a pressure gauge and the like can be placed in the prepared hole, and the prepared hole also has a ventilation function.

In some more specific embodiments, the tank is further provided with an air inlet and a tail gas outlet.

Compared with the prior art, the utility model provides a fermentation cylinder with weighing system, through the material in the first weighing cup of feeding weighing module directness before the feeding reachs the feeding quality, through the material in the second weighing cup of ejection of compact weighing module direct weighing behind the fermentation cylinder ejection of compact reachs ejection of compact quality, overcome the problem that the quality change around the jar body advances (goes out) the material can not the accurate representation advance (go out) the material quality to do not need devices such as continuous control valve that the price is expensive, reduce cost by a wide margin.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a schematic structural diagram of a fermentation tank with a weighing system according to the present invention.

Description of reference numerals:

tank body 1

First sensor 2

First cantilever 3

First support 4

First weighing cup 5

Second sensor 6

Second cantilever 7

Third sensor 8

Third boom 9

Third support 10

Third weighing cup 11

Feed pipe 12

Discharge pipe 13

Stirring motor 14

Stirring paddle 15

Feeding weighing module A

Tank body weighing module B

Discharging weighing module C

The following detailed description will further describe embodiments of the invention in conjunction with the above-described drawings.

Detailed Description

In order to make the aforementioned objects, features and advantages of the embodiments of the present invention more clearly understood, the present invention will be described in detail with reference to the accompanying drawings and detailed description. In addition, the features of the embodiments of the present application may be combined with each other without conflict.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which embodiments of the present invention belong. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of embodiments of the invention.

Referring to fig. 1, the present invention provides a fermentation tank with a weighing system, which comprises a tank body 1, wherein the weighing system comprises a feeding weighing module a connected to the upper part of the tank body 1, a tank weighing module B arranged at the center of the bottom of the tank body 1, and a discharging weighing module C connected to the lower part of the tank body 1. The feeding weighing module A comprises a first sensor 2, a first cantilever 3, a first bracket 4 and a first weighing cup 5, wherein the first sensor 2 is connected with the first bracket 4 through the first cantilever 3, the first weighing cup 5 is connected with the first sensor 2, the first weighing cup 5 is also connected with a feeding pipeline 12 of the fermentation tank, and the first sensor 2 is used for sensing the feeding weight in the first weighing cup 5. The tank body weighing module B comprises a second sensor 6 and a second cantilever 7, and the second sensor 6 is used for weighing the weight of the materials in the tank body 1. The discharging and weighing module C comprises a third sensor 8, a third cantilever 9, a third support 10 and a third weighing cup 11, the third sensor 8 is connected with the third support 10 through the third cantilever 9, the third weighing cup 11 is connected with the third sensor 9, the third weighing cup 11 is further connected with a discharging pipeline 13 of the fermentation tank, and the third sensor 8 is used for sensing the discharging weight in the third weighing cup 11.

During feeding, if the mass change before and after feeding of the fermentation tank obtained by the tank body weighing module A is regarded as the feeding mass, the mass change can not accurately represent the real feeding mass due to the influences of the pressure of various inlets and outlets of the tank body 1, air, foam and the like in the feed liquid. Similarly, during discharging, due to the influence of pressure, air, foam and the like in the material liquid, the mass change of the fermentation tank before and after discharging, which is obtained by the tank body weighing module, cannot accurately represent the real discharging mass. Therefore, the fermentation cylinder sets up feeding weighing module and ejection of compact weighing module, and feeding weighing module is used for directly weighing the material in the first weighing cup 5 before the feeding (be the feeding quality promptly), and ejection of compact weighing module is used for directly weighing the material in the third weighing cup 11 behind the fermentation cylinder ejection of compact (be ejection of compact quality promptly), has overcome the problem that the quality change before the jar body 1 advances (goes out) material can not the accurate representation advance (go out) the material quality.

In this embodiment, the top outside of the jar body 1 is equipped with agitator motor 14, be equipped with stirring rake 15 in the jar body 1, agitator motor 14's output shaft with stirring rake 15 transmission is connected.

In the present embodiment, the stirring paddle 15 may be a propeller type or a turbine paddle type. The bubbles can be dispersed and finely crushed by stirring, the gas and the liquid can be fully mixed, the necessary dissolved oxygen of the fermentation liquor is ensured, and the O content is increased₂The utilization ratio of (2).

In this embodiment, the tank 1 is further provided with a pH sensor, a liquid level sensor, a temperature sensor and a dissolved oxygen sensor (not shown). The pH sensor is used for collecting the pH value of fermentation liquor in the fermentation tank, so that an operator can adjust the pH value in the tank in time. The liquid level sensor is used for collecting the liquid level in the fermentation tank. The temperature sensor is used for collecting the temperature value in the fermentation tank, and if the temperature does not accord with the preset temperature, an operator can carry out heating or cooling treatment. The dissolved oxygen sensor is used for collecting the dissolved oxygen amount in the fermentation tank, and if the dissolved oxygen is insufficient, an operator needs to take corresponding measures according to fermentation conditions and the like, such as increasing the ventilation volume, increasing the stirring speed of the stirring paddle and the like.

In this embodiment, the tank 1 is further provided with a prepared hole (not shown) for a tool to be inserted during installation or removal, and also for a heating rod, a thermometer, a pressure gauge, and the like to be placed therein, and also has a ventilation function.

In this embodiment, the tank 1 is further provided with an air inlet and an exhaust outlet (not shown).

The fermenter according to the embodiments of the present invention may further comprise other modules and components which are useful for the purpose of the present invention, and the modules and components which are not mentioned may be commercially available or may be of a construction known to those skilled in the art and will not be described herein.

The utility model provides a fermentation cylinder with weighing system, through the material of feeding weighing module direct weighing in the first weighing cup before the feeding reachs the feeding quality, through the material of ejection of compact weighing module direct weighing in the second weighing cup behind the fermentation cylinder ejection of compact reachs ejection of compact quality, the problem of the quality of can not the accurate representation advance (play) material quality of mass change around having overcome jar body advance (play) material to do not need devices such as expensive continuous control valve, reduce cost by a wide margin.

The above embodiments are only used to illustrate the technical solutions of the embodiments of the present invention and are not limited, and although the embodiments of the present invention have been described in detail with reference to the above preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions to the technical solutions of the embodiments of the present invention may be made without departing from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A fermentation tank with a weighing system comprises a tank body and is characterized in that the weighing system comprises a feeding weighing module connected to the upper part of the tank body, a tank body weighing module arranged in the center of the bottom of the tank body and a discharging weighing module connected to the lower part of the tank body,

the feeding weighing module comprises a first sensor, a first cantilever, a first bracket and a first weighing cup, the first sensor is connected with the first bracket through the first cantilever, the first weighing cup is connected with the first sensor, the first weighing cup is also connected with a feeding pipeline of the fermentation tank, and the first sensor is used for sensing the feeding weight in the first weighing cup;

the tank body weighing module comprises a second sensor and a second cantilever, and the second sensor is used for weighing the weight of the materials in the tank body;

the discharging and weighing module comprises a third sensor, a third cantilever, a third support and a third weighing cup, the third sensor is connected with the third support through the third cantilever, the third weighing cup is connected with the third sensor, the third weighing cup is further connected with a discharging pipeline of the fermentation tank, and the third sensor is used for sensing the discharging weight in the third weighing cup.

2. The fermentation tank of claim 1, wherein a stirring motor is arranged on the outer side of the top of the tank body, a stirring paddle is arranged in the tank body, and an output shaft of the stirring motor is in transmission connection with the stirring paddle.

3. The fermenter according to claim 2, wherein the paddle is a propeller or a turbine.

4. The fermenter according to claim 1, wherein the tank body is further provided with a pH sensor, a liquid level sensor, a temperature sensor, and a dissolved oxygen sensor.

5. The fermenter according to claim 4, wherein the tank body is further provided with a prepared hole.

6. A fermenter according to claim 1, wherein the tank is further provided with an air inlet and a tail gas outlet.