A typical benchtop fermentor includes the following structure:
1. Â Tank: The fermenter used in the laboratory generally has a volume of several liters to several tens of liters, and the tank body is usually composed of glass.
2. Â Detection device: The detection device of a typical fermenter has:
(1) Â Temperature probe: Monitors temperature changes during culture. Â
(2) Â Dissolved oxygen electrode: directly immersed in the fermentation broth to monitor the change of dissolved oxygen in the fermentation broth.
(3) pH electrode: directly immersed in the fermentation broth to monitor the change in pH in the fermentation broth .
3. Â Dissolved oxygen control system:
(1) Â Air Flow Meter: Manually adjust the dissolved oxygen level in the fermentation broth by adjusting the amount of air flow.
(2) Â Mixing motor and stirring linkage device: the stirring motor provides rotating power to drive the stirring linkage to rotate; the latter blades agitate the fermentation liquid, break up the air bubbles, increase the gas-liquid contact interface, thereby increasing the dissolved oxygen level.
4. Â Temperature control system: including the cooling water pipe at the bottom of the tank and the cooling water pipe at the condenser at the air outlet. Since the heat is usually generated during the fermentation process, the cooling water can be passed to maintain a constant temperature.
5. Â Acid-base balance device: An acidic or alkaline solution can be pumped into the fermentation broth by a peristaltic pump to adjust its pH .
6. Â Other devices:
(1) Â Inoculation port: The seed liquid is connected to the fermenter through the inoculating port, and the nutrient can also be supplemented during the fermentation process.
(2) Â Sampling port: A certain amount of fermentation broth can be taken from the fermenter through the sampling port for various detection and analysis.
1. Â Tank: The fermenter used in the laboratory generally has a volume of several liters to several tens of liters, and the tank body is usually composed of glass.
2. Â Detection device: The detection device of a typical fermenter has:
(1) Â Temperature probe: Monitors temperature changes during culture. Â
(2) Â Dissolved oxygen electrode: directly immersed in the fermentation broth to monitor the change of dissolved oxygen in the fermentation broth.
(3) pH electrode: directly immersed in the fermentation broth to monitor the change in pH in the fermentation broth .
3. Â Dissolved oxygen control system:
(1) Â Air Flow Meter: Manually adjust the dissolved oxygen level in the fermentation broth by adjusting the amount of air flow.
(2) Â Mixing motor and stirring linkage device: the stirring motor provides rotating power to drive the stirring linkage to rotate; the latter blades agitate the fermentation liquid, break up the air bubbles, increase the gas-liquid contact interface, thereby increasing the dissolved oxygen level.
4. Â Temperature control system: including the cooling water pipe at the bottom of the tank and the cooling water pipe at the condenser at the air outlet. Since the heat is usually generated during the fermentation process, the cooling water can be passed to maintain a constant temperature.
5. Â Acid-base balance device: An acidic or alkaline solution can be pumped into the fermentation broth by a peristaltic pump to adjust its pH .
6. Â Other devices:
(1) Â Inoculation port: The seed liquid is connected to the fermenter through the inoculating port, and the nutrient can also be supplemented during the fermentation process.
(2) Â Sampling port: A certain amount of fermentation broth can be taken from the fermenter through the sampling port for various detection and analysis.
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