| What are the main reasons for static electricity in textile workshops |
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| The main reasons for static electricity generation in textile workshops are as follows: ###Characteristics of Fiber Materials The commonly used fiber materials in textile production, such as natural fibers such as cotton, linen, silk, and wool, as well as chemical fibers such as polyester, nylon, and acrylic, are mostly poor conductors of electricity. In the process of textile processing, frequent friction between fibers and between fibers and equipment makes it easy for charges to accumulate on the surface of fibers, making it difficult to conduct and dissipate, resulting in static electricity. For example, in the combing process, friction between fibers and components such as comb needles and rollers can generate a large amount of static electricity. ###Processing technology process -Friction induced electrification: In various processes of the textile workshop, such as opening, combing, drawing, roving, fine yarn, etc., there is a large amount of friction and contact separation between fibers and various mechanical components. These frictional effects cause the transfer of electrons on the fiber surface, resulting in static electricity. For example, during the spinning process, friction between the yarn and components such as yarn guides and spindles can cause static electricity to accumulate on the yarn. -Stretch deformation: In textile processing, fibers are often subjected to deformation such as stretching and bending. These mechanical effects can cause changes in the molecular structure inside the fibers, resulting in uneven charge distribution and the generation of static electricity. For example, in the stretching process, static electricity is generated on the surface of fibers when they are stretched. ###Environmental factors -Air humidity: Air humidity is one of the important factors affecting the generation of static electricity in textile workshops. When the air humidity is low, the moisture content in the air is low, the conductivity of the fiber surface deteriorates, and the charge is difficult to dissipate through the water vapor in the air, making static electricity easy to accumulate. Generally speaking, when the relative humidity is below 40%, static electricity phenomena will be more pronounced. -Temperature: Changes in temperature can also affect the generation of static electricity. On the one hand, temperature affects the physical properties of fiber materials, such as thermal expansion, softness, etc., which in turn affects the friction characteristics between fibers and between fibers and equipment, changing the degree of static electricity generation. On the other hand, temperature also affects the insulation performance of air. At high temperatures, the insulation performance of air decreases, which is beneficial for the dissipation of static electricity. However, in actual production in textile workshops, the impact of temperature changes on static electricity generation is complex and requires comprehensive consideration of multiple factors. ###Equipment factors -Equipment Material: The materials of many components in textile equipment can affect the generation of static electricity. For example, some metal components have smooth surfaces and generate relatively less static electricity when rubbed against fibers, but if there are oil stains, impurities, etc. on the surface of the metal component, it may change its surface characteristics and increase the possibility of static electricity generation. However, some non-metallic materials such as plastic and rubber, due to their good insulation properties, are prone to static electricity and difficult to dissipate when rubbed against fibers. -Poor grounding of equipment: Equipment grounding is an important measure to eliminate static electricity. If the grounding system of the equipment in the textile workshop is incomplete, the grounding resistance is too high, or the grounding circuit is damaged, it will cause the equipment to be unable to effectively guide the generated static electricity to the ground. Static electricity will accumulate on the equipment and fibers, leading to static electricity problems. |
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