Advantages and disadvantages of oil-free screw vacuum pump

Oil-free screw vacuum pump, is the piston reciprocating movement in the cylinder to form the cylinder gas expansion contraction, and through the axial placement of the intake and exhaust valve to form the suction and exhaust action, vacuum, as a new type of industrial products, will have its advantages and disadvantages, I will introduce one by one.
The advantages of oil-free screw vacuum pump are:
(1) high limit vacuum;
The oil-free smooth can achieve a clean vacuum;
But no wastewater, cooling water can be recycled;
Of high energy utilization rate, significant energy saving (50% of the water ring pump) save water, save the area;
It is set as it eliminates the s-wave inferior oscillation, small oscillation and low noise after reasonable configuration;
• the selection of stainless steel, titanium materials and other materials can be used in the acid-alkali corrosive situation;
Once through secondary discharge of tail gas condensate system can recover pure solvents;
Therefore when the power outage or shutdown, the pump neither need to worry about pump liquid recharge, also has the function of self-sealing, so that the vacuum system is not directly connected to the atmosphere, to ensure the safety of the vacuum system, which is the above other vacuum pump can not achieve. Such as the running high vacuum distillation system, cold air suddenly enter, will cause tower materials coking, burning, blasting and other dangers, strong safety equipment is the main enemy.
Its disadvantages are:
(1) more moving parts, because we choose the factory parts processing accuracy is not high, the manufacturing quality is rough, resulting in relatively high repair rate;
The factory has some deficiencies in the design of the product structure, but there are many local problems which are worth improving. Such as sealing surface type, cylinder cooling structure, pump chamber fluid cleaning, muffler is not very reasonable.
As the application unit, we expect to have more research machinery and manufacturers to further research and improve the type of vacuum pump, because its excellent function is the modern chemical cleaning production demand. It has great promotion value.
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