Design Essentials of Vacuum System in Fine Chemical Industry
Fine chemical vacuum system,In fine chemical production, vacuum concentration, vacuum degassing, vacuum crystallization and other processes are inseparable. To achieve good results, the main key lies in the design and selection of the vacuum system.
Requirements for vacuum in fine chemical production:
- High vacuum during work;
- The gas contains liquid;
- Longer working hours for pumping;
- The gas has a certain temperature;
- The pumping volume is constant under the working vacuum state
According to the above conditions:
- First of all, when the performance of the liquid ring vacuum pump or the Roots & liquid ring vacuum pump unit is satisfied, there should be no need to install a liquid-gas separation or cooling device on the vacuum pipeline. After determining that the performance fails to meet the requirements, consider the hybrid vacuum pump configuration.
- Due to the uneven quality of liquid ring vacuum pumps on the market, they should not be purchased based on the specifications in the manual. The technical requirements at this point at work should be taken as an indicator at the time of purchase. Choose the manufacturer of the liquid ring vacuum pump, make it select and match according to the work requirements, and ensure that it is 100% suitable. Only a professional and serious manufacturer can ensure that your interests are protected.
- When the evaporation capacity of the liquid is large, a condenser must be installed. According to the gas volume, the external discharge method or the liquid ring vacuum pumping method should be selected.
The best way is to design a unique vacuum system according to the different situations of each company.
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