How to Cleaning and Fix Meltblown Machine Spinneret
Table of Contents
Step1: Put Spinneret and filter into furnace
The process of Furnace:
A) It take 1 hour to increasing the temperature up to 250℃, then holding the same temperature for 1.5 hour. The vacuum system starts automatically when the temperature Up to 250℃. The vacuum value is setting up to 0.07Mpa.
B) It take 1 hour to increasing the temperature from 250 to 460℃, then holding the same temperature for 4 hours. The vacuum system stops automatically.
C) The heating system is off automatically. It takes about 8 hours to decrease the temperature from 460 to 250℃. Open the cover of furnace 20cm. It takes about 8 hours to decrease the temperature from 250 to 50℃.
Step2: Ultrasonic cleaning unit
Put the cover of spinneret into the Ultrasonic cleaning unit.
Add 100 grams detergent into the water.
Heat the water up to 70℃ then start ultrasonic for 4 hours.
Take out the cover for cleaning and dry.
Cleaning spinneret with the same way as above.
Step3: Put spinneret on table with light
Step4: Check the hole one by one by magnifier
Step5: Cleaning the hole by needle with diameter 0.25mm
Step6: Fix the cover and tighten all the screws gently
Step7: Adjust the gap up to 0.8mm
Adjust the gap by adjust the side screws, then tighten the top screws with 30N.m