Large fermenter-Wuxi Zhicheng

Large fermenter

Update：2019-5-14 16:04:58??????View：

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Introduction

Fermenter, seed tank series
Fermentation equipment is a reaction device widely used for the growth of microorganisms. Various microorganisms are grown in the fermenter in a suitable environment, metabolism and formation of fermentation products. Fermentation equipment has been widely used in the pharmaceutical, MSG, enzyme preparation, food and other industries.
Fermentation equipment tank types can be divided into two categories: one is a cone type that is anaerobic fermentation (such as alcohol fermentation), and the other type is a tank type that is fermented by gas (such as standard type, wood type, self-priming type, etc.). This type of equipment is commonly used in standard tank types. The drawings of the fermenter series designed by our factory belong to the standard tank type. When designing various specifications of fermentation equipment, the design structure is strict, there is sufficient strength and service life, and the internal parts of the equipment are less, the surface is light and slippery, and it is noted that there is good gas contact and steam stick solid mixing performance. To allow material transfer and gas exchange to proceed efficiently. There is sufficient heat exchange area to ensure that the fermentation can be carried out at a suitable temperature. Pay attention to the sealing performance of the equipment to ensure the sterilization operation.

　The fermenter designed by our factory is a standard tank type. When the nominal volume is below 6M3, the tank is jacketed. The cooling or heating of the fermentation gas is accomplished by a jacket. When the nominal volume is 6M3 or more, the cooling of the fermentation gas is carried out by the vertical piping, and we have improved the connection of the piping inside the tank. This mainly avoids opening holes in the tank and opening them into dead ends. This continuous mode achieves satisfactory results in practical use.
The baffle plate provided in the tank is used to improve the mixing efficiency. The presence or absence of the baffle in the tank directly affects the condition of the fermentation steam turning. Therefore, it is very important to install the baffle in the tank, and increase or decrease the number of baffles set according to relevant data. According to the measured data of the change in leaf width, four or six baffles are used in the tank, and the width of the plate is 1/12-1/10, which is ideal for improving the stirring efficiency.
The agitator is the main device in the fermentation equipment. By mixing the steam, the fresh medium components, air and mycelium are thoroughly mixed to achieve mass transfer and heat transfer. At present, there are three basic forms of the agitator: flat leaves (straight leaves), curved leaves, and arrow leaves. The curved leaves are used in the equipment provided by our factory. The curved blade worm wheel agitator has a shearing effect on the fermentation steam, and the fermentation steam has radial and axial flow. Compared with the straight blade worm wheel agitator, the bending blade is stirred under the same diameter, rotation speed, leaf width and the like. The power consumed by the device is small, but the effect is very good, and it has been widely adopted in China.

In terms of motor configuration, we use Y-type motors (horizontal type) and YJL type motors (vertical type). Vertical motors are usually used for nominal volumes below 15M3. Horizontal motors can also be used.
The tank topping is also very important for the fermenter. According to our years of experience, the design of the take-over position is reasonable, and the operation of the workers is convenient. The size of the take-over is calculated. If the user has specific requirements, it can be negotiated. For special specifications, our factory can be designed separately.

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