Stenter machine energy saving--ALIDO textile finishing machine
Method:
1:Know the maintenance plan of your system.Only a system which is maintained regularly can provide full output with most economic input of energy.
2:The lint filters of your system should be inspected at least once every shift to ensure that they are clean and they should be cleaned with a brush or vacuumed if necessary.The heat recovery modules also require cleaning at the prescribed intervals. Soiled screens and heat exchangers reduce the output of the system substantially and increase its energy consumption.
3:The padder: The setting of the contact pressure should be within the working area of the diagram at the operator console (hatched area) to ensure that the squeeze effect is uniform over the full width.The more moisture is removed and the better it is removed, the less energy is needed for drying.
4:The drying temperature ranges from 105° to 150°C (depending on the fabric). Material, finishing agents and methods determine the drying temperature. The recommendations of the dyestuff and/or chemicals producers should be observed. High drying temperatures not only consume too much energy, they often also damage the fabrics to be finished.
5:An important aspect for good drying is to measure and control the exhaust moisture.Depending on the fabric and the initial moisture, the optimum
values are at 10-20% by vol. If the exhaust contains less moisture, too much fresh air is heated and energy wasted.If the exhaust contains too much moisture, drying is poor;it takes more time and energy is wasted. Exhaust moisture: This is the moisture contained in the exhaust air of the drier.
values are at 10-20% by vol. If the exhaust contains less moisture, too much fresh air is heated and energy wasted.If the exhaust contains too much moisture, drying is poor;it takes more time and energy is wasted. Exhaust moisture: This is the moisture contained in the exhaust air of the drier.
6:When drying is the only purpose, monitoring the residual moisture is important. The optimum residual moisture is measured with a humidity
meter at the outlet of the drier then controlled as needed. Some examples of optimum residual moisture: Co 6-8% CV 8-10% Wo 10-12% PES 1-2 % PES/Co 2-4 % If the fabric is very dry, too much energy is wasted and drying is too expensive. At the same time, production is slowed down unnecessarily.
Too little residual moisture also causes loss of quality. Residual moisture: This is the moisture contained in the fabric, when it leaves the system.
meter at the outlet of the drier then controlled as needed. Some examples of optimum residual moisture: Co 6-8% CV 8-10% Wo 10-12% PES 1-2 % PES/Co 2-4 % If the fabric is very dry, too much energy is wasted and drying is too expensive. At the same time, production is slowed down unnecessarily.
Too little residual moisture also causes loss of quality. Residual moisture: This is the moisture contained in the fabric, when it leaves the system.
7:Do not heat the system longer than needed.Do not hold the system at temperature without fabric longer than necessary. Both waste energy and contaminate the environment.
8:Optimizing the dwell time. Depending on the fiber, the heat setting of textiles requires a certain dwell time. The dwell time must be observed to obtain the required fabric characteristics.
9:Setting the air circulation fans (with stenters): The ALIDO stenter is equipped with the TwinAir system. The flow rate for bottom and top air can be set separately. Set the air circulation fans to ensure that the fabric floats in the drier without contacting it.
Notice:Over a period of ten years, the costs of energy (electricity,steam, gas) amount to more than 60% of the initial investment in a system. Careful operation and maintenance of a ALIDO system can save energy costs to a substantial degree.
From ALIDO--Textile Finishing Machinery
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