With the continuous development of modern science and technology, the core vacuum pump of food vacuum packaging machine, as this economic and social universal device, is becoming more and more widely used in actual industrial production, and the requirements are more and more professional. Choosing the right vacuum pump will become A very important part of our daily production, this article describes the most basic knowledge of vacuum pump selection. When selecting a vacuum pump for a food vacuum packaging machine, you should first pay attention to the most important requirements for the purchase of a vacuum pump. The performance that is more important this time is to meet this point before considering other selection requirements. In the selection of general food vacuum packaging machines, you need to pay attention to the following matters. The working pressure of the vacuum pump should meet the ultimate vacuum of the vacuum equipment and its working pressure requirements. For example, the vacuum coating requirement is vacuum. Meet the standards. Under normal circumstances, the vacuum degree of the selected pump is half to one order of magnitude higher than that of the vacuum equipment.
Correctly select the vacuum degree of the vacuum pump. Each pump has a certain range of working pressure and has a stable working pressure range. The operating point of the pump should be selected within the specified range. The vacuum pump of the food vacuum packaging machine should be able to exhaust all the gas generated during the vacuum equipment process within the specified time under the working pressure of the vacuum pump, which itself needs to take into account the premise of the vacuum pump with a load to a certain extent Pump down rate. Depending on the location of the pumped medium, the vacuum pump is actually selected selectively. If a pump cannot meet the progress of pumping requirements, a corresponding way of combining multiple pumps can be considered. For example, the pumping rate curve when pumping oil-free air and helium is different, so when considering the vacuum pump, fully consider the characteristics of the pumped medium.