High-module high-strength polyethylene fibre double air channel drafting heat box
A high-strength polyethylene, dual-air duct technology, applied in the direction of single-component polyolefin rayon, stretch spinning, and complete sets of equipment for the production of rayon, etc., can solve the problem of affecting tow heating, drafting effect and product quality. , It is prone to problems such as uneven distribution of temperature difference, wind speed, air volume and wind direction, so as to achieve the effect of improving heating and drafting effect, improving wind direction and ensuring product quality.
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[0011] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0012] The present invention mainly includes: a box body 1, a working channel 2, an upper air duct 3 and a lower air duct 4, a fan 7, a pressure equalizer 8, and a heater 9. The box body 1 is provided with a fiber tow inlet 2-1, an upper air inlet 2-3 and a lower air inlet 2-4 at one end, and a fiber tow outlet 2-2, an upper air outlet 2-5 and a lower air inlet at the other end. The working channel 2 of the air outlet 2-6 is provided with the lower air channel 4 with the air inlet 4-2 and the air outlet 4-1 at both ends, and the air inlet 4-2 and the air outlet 4 of the lower air channel 4 under the working channel 2 -1 communicates with the lower air outlet 2-6 and the lower air inlet 2-4 of the working channel 2 respectively. The top of the working channel 2 is symmetrical to the lower air channel 4 and is also provided with an upper air channel 3 wi...
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