Treatment of yellowed sheets by washing equipment

For many white sheets, especially in hotels, hospitals and hotels, there will always be yellow after cleaning. There are many possible causes for this. For the user of the washing equipment, if you can not know the cause of these reasons, you will not know how to deal with it. In the face of such a situation, if nothing is done, even if the industrial washing machine with good performance can not achieve the effect of lifting the yellowing phenomenon. So in order to help the majority of laundry workers, better deal with this situation, this article put forward some views.

The reason for yellowing phenomenon mainly lies in the application and selection of detergent, as well as the water quality selected when washing linen itself, and the choice of washing process. In a large number of detergents, surface active agents and other additives are needed to ensure that the detergent has a better effect. However, for some manufacturers, the addition of these additives will further increase the cost of production. Therefore, in order to effectively reduce costs, manufacturers may choose some inferior additives to replace the effect of this additive. One of the reasons for the yellowing of clothing is the presence of these alternative additives. Therefore, in order to improve this situation, we should try to choose some more regular high-quality detergents.

In addition to this situation, there are some laundry factories, the washing water used is relatively hard water. Some of the more professional laundry plants use the softened water after treatment. The yellow situation of linen is generally in the former laundry plant, because there will be inorganic salt ions in the hard water. The presence of this ion will have a certain impact on the cloth. Because these hard water, there will be some substances, with the cloth itself, or detergent, some chemical reactions, which lead to the yellow situation of the cloth. If you want to improve the situation, you need to treat the water. It is suggested that in the process of main washing, adding an appropriate amount of water softener can effectively improve this situation.

In addition to improving these two situations, it is also possible to properly add color bleaching powder when these yellow linen is cleaned by an industrial water washing machine, which can also remove some deposited dirt of the linen itself. If it is more stubborn, if you want to add oxalic acid and sodium bisulfite to the water, you can also use insurance powder or sodium thiosulfate and other reducing agent solution leaching treatment to restore the original whiteness of the fabric. For the users of washing machinery, only by mastering more knowledge can we ensure higher work efficiency. Simply using the machine can not achieve the perfect washing effect.