How the High Temperature Jigger Dyeing Machine is Cleaned
Jun 12, 2023
The long-term use of high-temperature Jigger Dyeing Machine will deposit waste in the inner cavity of the cylinder body, especially in the situation that the paper mill industry generally attaches great importance to controlling the amount of chemical wastewater. In order to better save water, many paper mills have caused A lot of compounds such as dyes, oligomers, grease, and synthetic fiber shavings accumulate at the bottom of the tank. Its negative effect is slight, it will slow down the heating and cooling speed of the dyeing vat, and there will be flying spots during dyeing. If the situation is serious, it will cause the dyeing machinery to be blocked, and the dyeing temperature will not rise. Depending on the scope of application of the overflow cylinder, the main components of the sediment in the main cylinder are also different, mainly including dust, grease, coagulated dyes, thickeners, oligomers, calcium elements, etc., according to different components Clean in a different way.
1. For the removal of oligomers, wash the tank with NaOH or pH thiocyanate detergent frequently. You can also add media that is beneficial to the melting of oligomers. Precipitation, rapid cooling and high temperature drainage can prevent the deposition and aggregation of oligomers.
2. The removal of alkali scale, calcium element and synthetic fiber chips can be cleaned with hydrochloric acid or sulfuric acid. The expected effect is very good, but it will have obvious damage to the stainless steel plate (the inner wall of the dyeing tank is generally made of corrosion-resistant stainless steel plate). The smoothness of the stainless steel plate layer Completely dissipates, very aggressive.
3. The removal of condensed dyes, smoke tar and grease can be reduced and cleaned by using traditional cylinder production technology with hydrosulfite, flake sodium hydroxide, and desulfurizers.
In addition, when cleaning the dye vat, it is necessary to add appropriate waste cloth to the equipment vat to ensure that the rapid water sprayed from the printer nozzle will clean the waste cloth to the "blind spot" that cannot be reached by normal circulation.