Double-temperature spinning box for producing blend fibers in industrialization one-step method
A technology of spinning box and blended fibers, which is applied in the direction of spinneret assemblies, textiles and papermaking, etc., and can solve the problems of no energy saving, unfavorable heat preservation, and uncompact equipment
Inactive Publication Date: 2014-12-10
北京德厚朴化工技术股份有限公司
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Problems solved by technology
[0004] It is very simple to design insulation boxes with different temperatures at the same spinning position and the same spinning center line, but it is too loose for industrial spinning equipment, and the equipment is not compact, which is not conducive to heat preservation and energy saving.
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[0016] With reference to the drawings, the preferred embodiments of the present invention will be further described in detail.
[0017] As attached figure 2 As shown, this box is composed of two tooth-shaped sub-boxes. The first sub-box and the second sub-box are connected by four special low-heat-conductivity and high-strength materials connected by the sub-box connecting plates 2, 7 The heat conduction between them is minimal, and the high strength of this material makes the two boxes "combined into one".
[0018] Since this box is composed of two sub-boxes, the overall width of the box is increased, and the supporting length of the box is also lengthened. The longer the length, the greater the torque, which increases the possibility of deformation of the box support. The strengthening ribs 1, 6, 8, 11 are added to the body support position to ensure the firmness of the box body support.
[0019] The melt inlet pipe 3 is arranged in the sub-box. The design ensures that the distan...
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The invention mainly discloses a double-temperature spinning box for producing blend fibers in an industrialization one-step method. The double-temperature spinning box is different from a traditional rectangular spinning box, and comprises two branch boxes of a tooth-shaped structure. Different spinning temperatures of the two branch boxes can be set, and the technical problems that two different polymer melts use different process conditions, namely different melts, different finesses, different melt resident time and pressure drops, different spinneret plate diameters, and different spinneret orifice section shapes and numbers, particularly spinning at different spinning temperatures, at the same time are effectively solved. In the manufacturing process of the box, box stress is eliminated through reasonable heat treatment, and the defects of too many weld joints, weld stress concentration and box deformation tendency are overcome; influence of heat conduction at the meshed part of the two branch boxes is taken into consideration in locating of a box central line, the heat preservation thickness is increased to the maximum, and the reliable double-temperature spinning box is provided for producing the blend fibers in the industrialization one-step method.
Description
Technical field [0001] The invention relates to a differential fiber spinning production equipment, in particular to a dual temperature spinning box used for one-step production of blended fiber spinning. Background technique [0002] Blended fibers are composite fibers between single fibers. Unlike conjugate fibers, which are composite fibers within single fibers, they refer to chemical fibers formed by mixing two or more polymer fibers. Blending fibers The purpose of blending fibers is to make several material components with different physical properties and shapes coexist between single fibers, thereby giving the fibers new style, function, appearance, etc., or improving them. The products made by it have a high level in terms of style, function, appearance and gloss. It can be considered that the new synthetic fibers in recent years are based on blended fiber technology. Because the one-step blending fiber spinning can be modified and adjusted on the basis of the melt spin...
Claims
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IPC IPC(8): D01D4/00
Inventor 唐宇欣
Owner 北京德厚朴化工技术股份有限公司