Activated carbon fiber low-temperature pre-oxidation equipment

Abstract

The activated carbon fiber low-temperature pre-oxidation equipment comprises a processing box and a pre-oxidation box, an air bellow is fixedly arranged on the side wall of the processing box, an air inlet is formed in the side, away from the processing box, of the air bellow, a negative pressure impeller is arranged in the air bellow, and a rotating shaft is fixedly connected to the rotation center of the negative pressure impeller; a heating table is arranged in the pre-oxidation box, a waste heat insulation structure is arranged in the processing box, a rotating shaft is connected with a transmission structure for processing a carbon fiber bundle, an elastic buffer layer is arranged on the inner wall of the processing box, the processing box is filled with insulation liquid, the waste heat insulation structure comprises a plurality of connecting holes, and the connecting holes are communicated with the waste heat insulation structure. The multiple connecting holes are formed in the side, away from the air inlet, of the air bellow, and the connecting holes communicate with and are fixedly provided with connecting pipes. The pre-oxidation device has the advantages that the heat preservation effect in the pre-oxidation process is improved, the temperature condition in the pre-oxidation processing process is guaranteed, and on the other hand, the consumption of heating energy is reduced, so that the energy-saving effect is achieved.

Description

technical field [0001] The invention relates to the technical field of carbon fiber pre-oxygenation, in particular to a low-temperature pre-oxygenation device for activated carbon fibers. Background technique [0002] Low-temperature pre-oxygenation is required in the carbon fiber manufacturing process. Low-temperature pre-oxygenation requires extremely high temperature, and several greenhouses with gradually increasing temperature are required. The existing high-temperature carbonization device has poor thermal insulation effect and serious energy consumption. [0003] After searching, the Chinese authorized patent publication number is CN109652870B, which discloses an activated carbon fiber low-temperature pre-oxygenation equipment, which belongs to the technical field of carbon fiber manufacturing, including carbonization bins, carbon fiber bundles and gas transportation pipelines. The gas transportation pipeline includes a gas transportation pipe and an exhaust gas transp...

AI Technical Summary

Problems solved by technology

[0005] 2. This technology does not make good use of the waste heat of the heated exhaust gas. In actual use, hot water directly exchanges heat with the outside world, which will increase the temperature of the outside environment, thus affecting the processing environment.

[0006] 3. The processing intake pipe is exposed in the air, which is easy to cause waste of heat. This requires high heat preservation performance for the carbonization chamber. During the pre-oxygenation process, the internal temperature is likely to fail to meet the pre-oxygenation temperature requirements, thus affecting the product. quality

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