mesh spunlace nonwoven Reinforcement method
The pre-wetting of the network into the spunlace area, spunlace water jet nozzle spray a number of micro-jet water jet, vertical shot to the network. The water jet causes the displacement of a part of the surface fiber in the web, including the vertical movement to the opposite side of the web. When the water jet penetrates the net, it is subjected to the rebound of the curtain or the drum, and scattered to the web in different orientations Negative. In the direct impact of water jet and rebound under the dual role of water, fiber in the fiber displacement, interspersed, entangled, together, the formation of numerous flexible entanglement point, so that the network is reinforced.
The vertical injection of water jet to the web prevents the destruction of the web structure and maximizes the energy of the water jet, thereby improving the performance of the spunlace nonwoven material.
Spunlace reinforcement methods are flat net spunlace reinforcement, drum spunlace reinforcement and drum and flat net combination of three types of spunlace reinforcement.
Tailor curtain weaving structure and the appearance of the appearance of the structure of the wire spoon thorn reinforcement process, the spit head along the drum array, the network adsorbed on the drum, to accept the spout jet water jet jet. The net is adsorbed on the drum, there is no deviation phenomenon, is conducive to high-speed production, while the net in the spunlace area was curved surface, to accept the spear surface relaxation, reverse compression, which is conducive to water jet penetration, effectively Tangled fiber.
Drum for the metal cylinder perforated structure, equipped with dehydration device, and flat net spunlace reinforcement compared to the net curtain, the water has a good rebound effect.
Fourth, the combination of drum and flat net spunlace reinforcement In the spunlace reinforcement process, the combination of flat and drum type can be used to avoid weaknesses, to play their respective advantages, usually the first level, the second level for the drum spunlace , The third level for the flat network spunlace. 5, the number of spunlaced and water spunlace reinforcement technology commonly used spunlace number 7 to 12, the commonly used water pressure of 60 ~ 250Bar, depending on the quality of fiber network area, production speed, etc., spunlace pressure The setting is usually low to high to low.
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