Every printing and dyeing mill wants to make full use of stenters and maintain high evaporation efficiency. Once the equipment is put into use, it's the manufacturer's own business.

One of the defects of common stenters is the decrease of efficiency caused by the clogging of the cotton dust filter. During each operation, the cotton dust and other impurities filtered out from the circulating air system of drys gradually accumulate, generate resistance, reduce the pressure of the air vent, and thus decrease the evaporation efficiency.

At present, many dryers and heat treatment equipment are still using a plug-in filter. If they do not open the door of the drying room, the machines cannot be cleaned. Because the cleaning of the filter and the re-heating of the drying room will waste time, it will have a bad impact on the production efficiency of the equipment.

The double-filter system introduced in the data about 6 years ago is a big step forward. This device is installed outside of the machine and can be taken out without opening the drying room door. It can be cleaned without stopping the machine. When the filter is pulled out, the other filter automatically replenishes the position. The pressure still decreases due to the accumulation of cotton flock, which means the efficiency will also be reduced.

All the printing and dyeing manufacturers understand that although cotton flock is removed and a basic cleaning is carried out on each shift, the filter screen will gradually become clogged and therefore require frequent thorough cleaning. Above all, the filter screen must be removed and cleaned with detergent by a high-pressure cleaning device.

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