Dehumidifier For Textile Workshop

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Dehumidifier for Textile Industry

Generally speaking, hemp has ramie, jute, hemp, and linen. All kinds of hemp have a common characteristic, that is, their fibers are relatively coarse, soft, not easy to stretch, strong in moisture absorption, and large in friction coefficient. In addition, some impurities such as colloid and lignin remain on the fibers.

In order to increase the spinnability of hemp, people usually humidify the oil to reduce the friction coefficient and increase the softness. In particular, there are many jute impurities. In the front section of the soft hemp machine, there are many pressure rollers to remove impurities. Therefore, in the front stage of the soft hemp machine, a drying point is required, which is advantageous for the pressure roller to remove the impurities. However, it is not easy to be too dry, because the hemp fiber is too weak to be brittle and is likely to cause fiber damage. In the back stage of the soft hemp machine, the oil is humidified to increase the moisture absorption rate of the hemp fiber, thereby increasing the flexibility and strength of the hemp fiber, reducing the friction coefficient of the hemp fiber, increasing the electrical conductivity of the hemp fiber, and reducing the spinning process. Electrostatic phenomena generated in the process and the emission of dust. In order to maintain the high moisture absorption rate of hemp fiber, in the process behind the soft hemp machine, the relative humidity of the workshop air is larger than that of the cotton mill, especially the jute spinning, which must be maintained at about 75%.

When humidifying with a humidifier, be aware that the humidifier must have a humidity control function, that is, it can automatically stop after reaching the standard relative humidity. Otherwise, the humidity of the workshop will be too large, which will increase the friction coefficient of hemp fiber, and the glue in the hemp fiber will be sticky due to moisture absorption, resulting in the adhesion between the fiber and the fiber, which is not easy to open and comb, and even sticking to the roller. phenomenon. Therefore, there is a control range for relative humidity. As for the temperature, the pen cotton spinning mill is required to be low in the summer to reduce the problem that the residual gum on the hemp fiber is sticky due to high temperature. In winter, the temperature should not be too low. Because the temperature is too low, the softness of the fiber is poor, and the top roller is also hard, which is not conducive to the spinning process. In short, the temperature and humidity of the hemp mill is similar to that of the cotton mill. The difference is that the extensibility of hemp is relatively poor, and the softness is also worse than that of cotton. Therefore, the relative humidity of the workshop of the hemp mill is slightly larger than that of the cotton mill. Workshop humidity index of cotton mills.

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