In the actual operation of the meltblown non-woven fabric production line, the type of air-source equipment (air compressor, Roots blower, etc.) should be selected according to different needs, such as the melt index of pp material, spinneret modulus, and composition parameters such as number, production line operating speed, and width require the calculation of air volume and air pressure requirements.
Generally, the air volume of the air source equipment is between 4.0-60m³/min, and the power demand is between 11kw-200kw, depending on the output of the melt-blown cloth production line.
Now, more and more melt-blown cloth production lines have been replaced by air compressors with Roots blowers. The previous market generally knew more about air compressors but less about Roots blowers.
As the standards for melt-blown cloth become more and more stringent, many shortcomings of air compressors have begun to appear, and many melt-blown cloth manufacturers have replaced them with Roots blowers. The followings are the advantages of meltblown non-woven fabric production line equipped with Roots blower.
The power requirements of Roots blowers for the meltblown non-woven production line range from 11kw-90kw, the actual passive pressure is generally around 58.8kpa, and the airflow demand of the drafting channel is between 4.0-60m³/min. Manufacturers of meltblown equipment can select Roots blowers according to the actual needs of their customized equipment.
1. Air compressors or Roots blowers are air source equipment that provides high-pressure hot air flow during the manufacturing process of melt-blown cloth, but air compressors rely on pistons to compress air in a closed cavity to output airflow. Lubricating oil should be used between the piston and the casing, or it will not be burned by overheating, and then filter the oil after the gas comes out.
2. However, it can only filter most of the oil mist, and a small amount of oil mist will still be sprayed out with the air, and the molten polymer will form a melt-blown cloth. This melt-blown cloth will definitely have a peculiar smell of oil mist. In addition, the pressure of the air compressor is above 100KPA-10000KPA, which is too high for melt-blown cloth and needs to be used at reduced pressure.
3. The Roots blower works in this way. It uses the tiny gap between the casing and the impeller to force the air out. There is no lubricating oil in the cavity, so the output air does not contain oil, and the sprayed melt-blown cloth does not contain impurities.
4. The pressure range of the Roots blower is 10-100KPA, and generally the best melt-blown cloth pressure requirement is 58.8KPA because it is just suitable for the melt-blown machines. Moreover, the efficiency is much higher than that of an air compressor under low-pressure conditions below 100KPA, and its simple internal structure is easier to maintain than an air compressor.
If you want to know more about the meltblown nonwoven production line after reading the above, you can get a comprehensive solution by contacting AZX.
As a professional manufacturer of non-woven equipment, we have won praise and trust from many customers with our excellent technology and high-quality products. We put the needs of our customers first, the equipment we produce meets strict standards, and we also have a professional quality inspection system to strictly control the weight of each link of production. If you are interested in our meltblown non-woven equipment, please contact us immediately!