Meltblown double column non-stop screen changer is used for chemical fiber, blown film, flat film, cast film production, pipe, sheet, wire, fiber manufacturing, pelletizing line, recycling, etc. The role of meltblown double column screen changer in meltblown production line is: to filter out the impurities in the melt so as not to block the spinneret holes. melt blown continuous screen changer The role of meltblown hydraulic screen changer in meltblown fabric production line is: to filter out th