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Device for continuously fabricating carbon fiber felt production line and technique thereof

A carbon fiber felt and production line technology, applied in fiber processing, heating/cooling fabrics, textiles and paper making, etc., can solve the problems of unstable quality and low efficiency of carbon fiber felt, and achieve the effect of maintaining quality, improving production efficiency, and high density

Inactive Publication Date: 2009-12-09
肖颖
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this way, not only the efficiency of the carbon fiber felt is low, but also the quality is not stable enough.

Method used

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  • Device for continuously fabricating carbon fiber felt production line and technique thereof
  • Device for continuously fabricating carbon fiber felt production line and technique thereof

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Embodiment Construction

[0019] exist figure 1 with figure 2 The three-dimensional schematic diagram of the equipment and process of the continuous carbon fiber felt production line shown in the figure shows a felt rack 1, a felt machine 2, a felt soaking tank 3, a low-temperature oxidation furnace 4, and a medium-temperature oxidation furnace 5 on the base. , high-temperature oxidation furnace 6, oxidized felt soaking pool 7, low-temperature carbonization furnace 8, medium-temperature carbonization furnace 9, high-temperature carbonization furnace 10, felt collection machine 11, felt collection frame 12 and reactive gas device 13 arranged horizontally in sequence . Each equipment is independently installed on the base, arranged in a straight line with each other, and the felt material rack 1 is connected with a power system, which can drive the felt material rack 1 to rotate; the rotating wheel of the felt machine 2 is a pulley device; the felt material Soaking pool 3 is equipped with nitric acid ...

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Abstract

The invention discloses a device for continuously fabricating carbon fiber felt production line and a technique thereof, which is implemented by a production line support device, a dynamical system, an electric heating and temperature controlling system and a felt material dipping system. The invention is characterized in that one end which is rolled into a felt blank roll is put into a felt material dipping pool along a felt containing machine; then the end sequentially enters a low-temperature oxidation furnace, an intermediate-temperature oxidation furnace and a high-temperature oxidation furnace; the end enters a lower-temperature carbide furnace, a middle-temperature carbide furnace and a high-temperature carbide furnace after passing through an oxidation felt dipping pool; at last, the end extends out and enters a felt receiving machine and a felt shelf disk shelf to be rolled to obtain finished products; the width of the product is 900-1200mm, the thickness is 3-12mm, tensile strength (N / 25mm) longitude / latitude is 14 / 16, surface density (g / m) is 1500-1800, carbon content is 86-94%, square resistance (omega / 25mm) (11) is 0.1, and thermal conductivity (J / cm.s DEG C) is 4.6*10 52 DEG C. The invention can achieve the aim of continuously fabricating carbon fiber felts.

Description

technical field [0001] The invention relates to the field of carbon fiber composite material manufacturing, in particular to equipment and technology for a continuous carbon fiber felt production line. Background technique [0002] The production of traditional carbon fiber felt is as follows: polyacrylonitrile fiber is pre-oxidized to make pre-oxidized felt or carbon fiber is cut and carded into a web, and then needle-punched into an extra-thick carbon fiber felt slab, and then treated at high temperature to form a carbon fiber felt. ; Then carry out high temperature treatment to make carbon fiber felt. Compared with other thermal insulation materials, carbon fiber felt has the following characteristics: high temperature resistance (up to 3000°C in vacuum or protective gas), can effectively block radiant heat, and has a very small amount of outgassing, especially suitable for use in vacuum high temperature furnaces . Resistant to various chemical corrosion, light weight c...

Claims

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Application Information

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IPC IPC(8): D06C7/04D06M11/64D06M11/65D06M11/55D06M11/28D06M13/188
Inventor 肖颖
Owner 肖颖
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