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Scientific configuration of transmission, exhaust gas recovery device and inlet and outlet pipelines of fermenter
Scientific configuration of transmission, exhaust gas recovery device and inlet and outlet pipelines of fermenter
First, the transmission of fermenter, tail gas recovery device and the introduction of the inlet and outlet pipelines 1. Drive (1) agitation speed to meet the needs of energy-saving fermentation process, the motor uses frequency converter speed control. The rotating speed of the fermenter is changed from the traditional fixed to adjustable, which can save 20% ~ 25% of electricity. (2) in order to eliminate the wear of the shaft, the middle bearing and the bottom bearing are replaced by the unscrambling device, which can reduce the cost of manufacture and maintenance. 2. Under the action of mixer and agitation, the fermentation liquid is emulsified, the gas holdup is larger, the liquid level is higher, and the foam is more, so that the fermentation liquid produced mist entrainment with the exhaust out, resulting in tail gas escape, pollution of the environment to affect the fermentation. The volume of fermenter increased by 6% ~ 15% , and the amount of defoamer decreased by about 1/3, which was beneficial to the improvement of extraction rate. 3. The diameter of the inlet and outlet pipes of the fermenter influences the moving resistance of materials and the speed of inlet and outlet materials. The diameter of feeding tube, discharging tube, inoculating tube and sugar feeding tube should be larger than the original one, so as to reduce the feeding and discharging time, shorten the whole fermentation period and improve the batch intensity. Intake pipe, exhaust pipe diameter should also be larger to adapt to changes in air flow, reduce resistance, reduce air compressor load and save energy.
