Continuous feeding and discharging fermentation device

Abstract

The invention discloses a continuous feeding and discharging fermentation device which comprises a 50L airlift fermentation tank, a 50L material receiving tank, two 50L sterilization tanks, a 20L constant-temperature water tank and a hot water circulating pump, the airlift fermentation tank, the material receiving tank and the sterilization tanks are connected through a material pipeline, an air pipeline, a water path and a steam pipeline, and the liquid filling coefficients of the airlift fermentation tank, the material receiving tank and the sterilization tanks are 70%. The material receiving tank continuously discharges the materials to the airlift fermentation tank at the speed of 1.5 L / h, the two sterilization tanks continuously feed the materials to the airlift fermentation tank at the speed of 1.5 L / h in turn, the material receiving tank is filled with the materials within 24 hours while the raw materials of one sterilization tank are consumed, and the steps are repeated.

Description

Technical Field

[0001] The invention relates to a continuous material feeding and discharging fermentation device. Background Art

[0002] With the continuous development of bio-fermentation technology, traditional fermentation equipment often faces problems such as unbalanced feeding and discharging and complex operation when processing large amounts of materials, which affects production efficiency and product quality. Especially in large-scale continuous production, how to ensure the stability of the fermentation process and the continuous flow of materials has become a major challenge.

[0003] Most existing fermentation equipment relies on batch feeding and discharging, which usually requires frequent shutdown, cleaning and disinfection, resulting in time waste and low equipment efficiency in the production process. In addition, in the fermentation process of continuous feeding and discharging, how to maintain the uniformity of materials in the fermentation tank and ensure the activity of the fermentation strains and suitable environmental conditions has always been a technical problem. In order to improve production efficiency, shorten the operation cycle, and ensure the quality of biological fermentation, researchers and engineers began to explore more efficient and convenient fermentation equipment designs. Summary of the invention

[0004] The purpose of the present invention is to solve the above deficiencies in the prior art and provide a continuous feeding and discharging fermentation device.

[0005] A continuous feeding and discharging fermentation device comprises a 50L airlift fermentation tank, a 50L receiving tank, two 50L sterilizing tanks, a 20L constant temperature water tank and a hot water circulation pump. The airlift fermentation tank, the receiving tank and the sterilizing tank are connected through a material pipeline, an air pipeline, a water pipeline and a steam pipeline. The liquid filling coefficient of the airlift fermentation tank, the receiving tank and the sterilizing tank is 70%. The receiving tank continuously discharges the airlift fermentation tank at a speed of 1.5L / h, and the two sterilizing tanks continuously feed the airlift fermentation tank at a speed of 1.5L / h in turn. The receiving tank is filled in 24 hours and the raw material of the sterilizing tank is consumed at the same time, and the cycle is repeated.

[0006] As a further improvement, the lower part of the tank body of the airlift fermenter is a reaction tank, the upper part of the tank body is a gas-liquid separation chamber, the inner and outer surfaces of the tank body are polished, the side of the tank body is provided with a pH interface, a DO interface, and a temperature sensor interface, the tank body is provided with a long glass sight mirror, an automatic delayed LED safety sight light, and a sampling valve, a diaphragm pump is provided at the bottom of the tank, the gas-liquid separation chamber is cylindrical and is arranged on the top of the tank, the top of the tank is provided with a discharge port, a long sight mirror port, and an exhaust port, the airlift fermenter adopts an airflow stirring form, the tank body has a built-in guide tube, the gas is taken in from the pagoda nozzle arranged at the bottom of the tank body, and enters the tank body through the guide tube.

[0007] As a further improvement, the inner and outer surfaces of the sterilization tank are polished, the side of the tank is provided with a pH interface, a DO interface, and a temperature sensor interface, the tank is provided with a long glass sight mirror, an automatic delayed LED safety light, and a sampling valve, a diaphragm pump is provided at the bottom of the tank, an inoculation port and an exhaust port are provided at the top of the tank, and a mechanical stirring device is also provided on the top of the tank, which includes a two-speed worm gear stirring blade and a servo motor.

[0008] As a further improvement, the inner and outer surfaces of the receiving tank are polished, and a pH interface, a DO interface, and a temperature sensor interface are provided on the side of the tank body. A long glass sight mirror, an automatic delayed LED safety light, and a sampling valve are provided on the tank body. An inoculation port and an exhaust port are provided on the top of the tank body, and a magnetic stirring device is provided at the bottom of the tank body. The magnetic stirring device includes a worm wheel blade stirring paddle and a helical gear reduction motor.

[0009] As a further improvement, the airlift fermenter, sterilization tank and receiving tank are connected to the filtering device through a stainless steel ventilation pipe. The filtration accuracy of the filtering device is 0.01μm. A mass flowmeter is provided on the stainless steel ventilation pipe, and a glass rotor flowmeter is provided on the bypass of the stainless steel ventilation pipe of the airlift fermenter.

[0010] As a further improvement, the tank bodies of the airlift fermentation tank, sterilizing tank and receiving tank are all made of S31603 stainless steel, the jackets are all made of S30408 ​​stainless steel, and the tank tops of the sterilizing tank and the receiving tank are all made of S30408 ​​stainless steel.

[0011] Beneficial effects:

[0012] Efficient continuous feeding and discharging system: Through the coordinated work of the airlift fermenter, receiving tank and sterilizing tank, continuous feeding and discharging are achieved, which reduces the downtime and cleaning time in the traditional batch production process and improves production efficiency.

[0013] Optimized fermentation environment control: The airlift fermenter adopts airflow stirring method, which can effectively improve the uniformity of the material in the tank and the stability of the fermentation reaction, ensure the gas-liquid separation and material flow during the fermentation process, and is conducive to maintaining the optimal growth conditions of the fermentation bacteria.

[0014] High degree of automation and easy operation: Each tank is equipped with advanced sensor interfaces and automatic control devices, which can monitor key parameters such as pH value, dissolved oxygen concentration, temperature, etc. in real time. Operators can remotely monitor and control through the system, reducing manual intervention and improving the automation and accuracy of operations.

[0015] Efficient linkage between sterilization and material receiving: The alternating working mode of the sterilization tank and the material receiving tank ensures the continuous supply and discharge of materials while ensuring the sterilization effect, thus realizing continuous production and uninterrupted raw material replenishment and product collection.

[0016] Improve product quality and safety: Stainless steel materials and high-precision filtering devices are used throughout the system to effectively prevent the entry of impurities and pollutants, ensuring the purity of the product and the safety of the production process. In addition, the surface polishing and sealing design of the tank body reduce the difficulty of cleaning and the risk of cross contamination.

[0017] Through the design of this fermentation device, the automation, continuity and stability of the fermentation process can be significantly improved, energy consumption and operating costs can be reduced, production efficiency can be improved, and an efficient and safe production solution can be provided for the biological fermentation industry. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of a continuous feeding and discharging fermentation device;

[0019] Figure 2 It is a schematic front view of a continuous feeding and discharging fermentation device;

[0020] 1. Sterilization tank 2. Airlift fermentation tank 3. Receiving tank. DETAILED DESCRIPTION

[0021] In order to deepen the understanding of the present invention, the present invention will be further described in detail below in conjunction with embodiments and drawings. The embodiments are only used to explain the present invention and do not constitute a limitation on the protection scope of the present invention.

[0022] like Figure 1 As shown, a continuous feeding and discharging fermentation device includes a sterilizing tank 1, an airlift fermentation tank 2 and a receiving tank 3.

[0023] A continuous feeding and discharging fermentation device comprises a 50L airlift fermentation tank 2, a 50L receiving tank 3, two 50L sterilizing tanks 1, a 20L constant temperature water tank and a hot water circulation pump. The airlift fermentation tank 2, the receiving tank 3 and the sterilizing tank 1 are connected through a material pipeline, an air pipeline, a water pipeline and a steam pipeline. The filling coefficient of the airlift fermentation tank 2, the receiving tank 3 and the sterilizing tank 1 is 70%. The receiving tank 3 continuously discharges the airlift fermentation tank 2 at a speed of 1.5L / h. The two sterilizing tanks 1 continuously feed the airlift fermentation tank 2 at a speed of 1.5L / h in turn. The receiving tank 3 is filled with liquid in 24 hours. The raw materials of one sterilizing tank 1 are consumed at the same time, and the cycle is repeated. The lower part of the tank body of the airlift fermenter 2 is a reaction tank, and the upper part of the tank body is a gas-liquid separation chamber. The inner and outer surfaces of the tank body are polished. The side of the tank body is provided with a pH interface, a DO interface, and a temperature sensor interface. The tank body is provided with a long glass sight glass, an automatic delayed LED safety light, and a sampling valve. A diaphragm pump is provided at the bottom of the tank. The gas-liquid separation chamber is cylindrical and is arranged on the top of the tank. The top of the tank is provided with a discharge port, a long sight glass port, and an exhaust port. The airlift fermenter 2 adopts an airflow stirring form, and the tank body has a built-in guide tube. The gas is inletted from the pagoda nozzle arranged at the bottom of the tank body and enters the tank body through the guide tube. The sterilization The inner and outer surfaces of the tank body of tank 1 are polished, and a pH interface, a DO interface, and a temperature sensor interface are provided on the side of the tank body. A long glass sight mirror, an automatic time-delay LED safety light, and a sampling valve are provided on the tank body. A diaphragm pump is provided at the bottom of the tank body, and an inoculation port and an exhaust port are provided on the top of the tank body. A mechanical stirring device is also provided on the top of the tank body. The mechanical stirring device includes a two-speed worm gear stirring blade and a servo motor. The inner and outer surfaces of the tank body of the material receiving tank 3 are polished, and a pH interface, a DO interface, and a temperature sensor interface are provided on the side of the tank body. A long glass sight mirror, an automatic time-delay LED safety light, and a sampling valve are provided on the tank body. An inoculation port and an exhaust port are provided on the top of the tank body. A magnetic stirring device is provided at the bottom of the tank body, and the magnetic stirring device includes a worm wheel stirring paddle and a helical gear reduction motor. The airlift fermenter 2, the sterilizing tank 1 and the receiving tank 3 are connected to the filtering device through a stainless steel ventilation pipe. The filtering accuracy of the filtering device is 0.01μm. A mass flowmeter is provided on the stainless steel ventilation pipe. A glass rotor flowmeter is provided on the bypass of the stainless steel ventilation pipe of the airlift fermenter 2. The tank bodies of the airlift fermenter 2, the sterilizing tank 1 and the receiving tank 3 are all made of S31603 stainless steel, and the jacket materials are all made of S30408 ​​stainless steel. The tank tops of the sterilizing tank 1 and the receiving tank 3 are all made of S30408 ​​stainless steel.

[0024] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A continuous feeding and discharging fermentation device, characterized in that: It includes a 50L airlift fermenter, a 50L receiving tank, two 50L sterilizing tanks, a 20L constant temperature water tank and a hot water circulation pump. The airlift fermenter, the receiving tank and the sterilizing tank are connected through material pipelines, air pipelines, water pipelines and steam pipelines. The liquid filling coefficient of the airlift fermenter, the receiving tank and the sterilizing tank is 70%. The receiving tank continuously discharges the airlift fermenter at a speed of 1.5L / h, and the two sterilizing tanks continuously feed the airlift fermenter at a speed of 1.5L / h in turn. It takes 24 hours to fill the receiving tank and consume the raw materials of one sterilizing tank, and the cycle is repeated.

2. A continuous feeding and discharging fermentation device according to claim 1, characterized in that: The lower part of the tank body of the airlift fermenter is a reaction tank, the upper part of the tank body is a gas-liquid separation chamber, the inner and outer surfaces of the tank body are polished, the side of the tank body is provided with a pH interface, a DO interface, and a temperature sensor interface, the tank body is provided with a long glass sight mirror, an automatic delayed LED safety sight light, and a sampling valve, and a diaphragm pump is provided at the bottom of the tank. The gas-liquid separation chamber is cylindrical and is arranged on the top of the tank. The top of the tank is provided with a discharge port, a long sight mirror port, and an exhaust port. The airlift fermenter adopts an airflow stirring form, and the tank body has a built-in guide tube. The gas is taken in from the pagoda nozzle arranged at the bottom of the tank body and enters the tank body through the guide tube.

3. A continuous feeding and discharging fermentation device according to claim 1, characterized in that: The inner and outer surfaces of the sterilization tank are polished, and the side of the tank is provided with a pH interface, a DO interface, and a temperature sensor interface. The tank is provided with a long glass sight mirror, an automatic delayed LED safety light, and a sampling valve. The bottom of the tank is provided with a diaphragm pump, and the top of the tank is provided with an inoculation port and an exhaust port. The top of the tank is also provided with a mechanical stirring device, which includes a two-speed worm gear stirring blade and a servo motor.

4. A continuous feeding and discharging fermentation device according to claim 1, characterized in that: The inner and outer surfaces of the tank body are polished, and the side of the tank body is provided with a pH interface, a DO interface, and a temperature sensor interface. The tank body is provided with a long glass sight mirror, an automatic delayed LED safety light, and a sampling valve. The top of the tank body is provided with an inoculation port and an exhaust port, and the bottom of the tank body is provided with a magnetic stirring device, which includes a worm wheel blade stirring paddle and a helical gear reduction motor.

5. A continuous feeding and discharging fermentation device according to any one of claims 1 to 4, characterized in that: The airlift fermenter, sterilizing tank and receiving tank are connected to the filter device through a stainless steel ventilation pipe. The filtration accuracy of the filter device is 0.01μm. A mass flow meter is provided on the stainless steel ventilation pipe. A glass rotor flow meter is provided on the bypass of the stainless steel ventilation pipe of the airlift fermenter.

6. A continuous feeding and discharging fermentation device according to claim 1, characterized in that: The tank bodies of the airlift fermentation tank, sterilizing tank and receiving tank are all made of S31603 stainless steel, the jackets are all made of S30408 ​​stainless steel, and the tank tops of the sterilizing tank and the receiving tank are all made of S30408 ​​stainless steel.

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