Industrial-grade aluminum oxide continuous fiber thousand-hole spinning channel and bundling device

A technology of continuous fiber and spinning tunnel, which is applied in the field of industrial-grade alumina continuous fiber thousand-hole spinning tunnel and clustering device, which can solve the problems of floating and broken filaments, reduce broken ends and increase cohesion , reducing the effect of mutual entanglement

Pending Publication Date: 2021-03-16
上海榕融新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve at least one of the above problems, the present invention prepares a special spinning tunnel for alumina fibers according to the heat and mass transfer process and the matching of solvent volatilization rate and stretching rate, so that the average fiber diameter can be controlled to a level of 9 μm±1.5 μm, Solve the problems of floating and broken yarns that have been unable to be solved in the spinning process

Method used

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  • Industrial-grade aluminum oxide continuous fiber thousand-hole spinning channel and bundling device
  • Industrial-grade aluminum oxide continuous fiber thousand-hole spinning channel and bundling device
  • Industrial-grade aluminum oxide continuous fiber thousand-hole spinning channel and bundling device

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Embodiment 1

[0034] An industrial grade alumina continuous fiber thousand-hole spinning shaft and a bundling device, the device includes a liquid feeding device 1, a liquid suction device 2, a spinneret assembly 5, a shaft body 8, an upper annular blowing device 6, and a side annular blowing device. Air blowing device 9, annular heating device 10, oiling device 11, cross bar 12, twisting device 13, air supply device 14, drafting device 17; one end of the liquid suction device 2 is connected to the liquid feeding device 1, and the other end is connected to the liquid feeding device 1. The spinneret assembly 5 is connected; the spinneret assembly 5 and the upper annular blowing device 6 are located on the upper part of the shaft body 8, and the upper annular blowing device 6 is located outside the spinneret assembly 5; the side annular blowing device 9, the annular heating The device 10 is located on both sides of the shaft body 8, and the side annular blowing device 9 is located on the upper...

Embodiment 2

[0052] A spinning method of alumina fiber, the method adopts the thousand-hole spinning shaft and bundling device of industrial grade alumina continuous fiber described in Example 1.

[0053] Wherein, the length of the shaft body 8 is 8m; the humidity of the shaft body 8 is controlled at 75%, and the temperature is 25°C; min; the wind speed of the upper annular blowing device 6 is 0.4m / s, and the wind power is level 1; the height is 50mm; the wind speed of the side annular blowing device 9 is 0.4m / s, and the wind force is level 1; is 60mm; the flow velocity of the central hot air of the spinneret assembly 5 is 0.8m / s.

[0054] The obtained fibers are then sintered, and the sintering process is to sinter the fibers in stages under an air atmosphere. The first stage is low-speed and low-temperature sintering: the fibers are slowly heated to 700 °C at a lower heating rate (10 °C / min), and held for 30 minutes; ) The fibers are heated from 700°C to a specified temperature of 1100...

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Abstract

The invention discloses an industrial-grade aluminum oxide continuous fiber thousand-hole spinning channel and bundling device, and belongs to the technical field of aluminum oxide spinning equipment.According to the industrial-grade aluminum oxide continuous fiber thousand-hole spinning channel and bundling device, one end of a liquid suction device is connected with a liquid feeding device, andthe other end of the liquid suction device is connected with a spinneret plate assembly; the spinneret plate assembly and an upper-side annular air blowing device are located on the upper portion ofa channel body, and the upper-side annular air blowing device is located on the outer side of the spinneret plate assembly; a side annular air blowing device and an annular heating device are locatedon the two sides of the channel body, and the side annular air blowing device is located on the upper portion of the annular heating device; a central shaft of an oiling device and a central shaft ofa cross rod are on the same straight line; and a twisting device is located on the lower portion of the oiling device, an air supply device is located on the lower portion of the twisting device, anda drafting device is located on the lower portion of the air supply device. By means of the industrial-grade aluminum oxide continuous fiber thousand-hole spinning channel and bundling device, the average diameter of fibers can be controlled to reach the level of 9+ / -1.5 [mu]m, and the problems of yarn drifting and yarn breaking which cannot be solved all the time in the spinning process are solved.

Description

technical field [0001] The invention relates to an industrial-grade alumina continuous fiber thousand-hole spinning shaft and a bundling device, and belongs to the technical field of alumina spinning equipment. Background technique [0002] Alumina fiber is a new high-performance inorganic fiber whose main component is Al 2 O 3 . Alumina fiber is a high-performance ceramic fiber with high strength, high modulus, high temperature resistance and good oxidation resistance. It can maintain good chemical stability in oxidizing or reducing atmosphere, and also has low thermal conductivity and thermal expansion coefficient. It has the advantages of low temperature and good thermal shock resistance. At present, the preparation process of alumina fiber mainly adopts the sol-gel method. In normal spinning, the top annular blower is generally used, and the humidity of the shaft is controlled by adjusting the dry and wet air flow and suction flow of the shaft to keep the spinning st...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D01D5/04D01D4/02D01D13/02D01F9/08D01F11/00D01H7/02D02J1/22
CPCD01D4/02D01D5/04D01D13/02D01F9/08D01F11/00D01H7/02D02J1/22
Inventor 关克田孙树人房海燕
Owner 上海榕融新材料科技有限公司
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