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℃.

Furnace
Put Spinneret and filter into furnace

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

Put spinneret on table with light

Step4: Check the hole one by one by magnifier

Check the hole

Step5: Cleaning the hole by needle with diameter 0.25mm

Cleaning the hole

Step6: Fix the cover and tighten all the screws gently

Fix the cover and tighten 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

adjust the gap up to 0.8mm
adjust the gap up to 0.8mm
adjust the gap up to 0.8mm

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