Polymerization reaction method for carbon fibers and equipment thereof

Abstract

The invention provides a polymerization reaction method for carbon fibers and equipment thereof. The equipment is provided with a reaction kettle, wherein an upper seal head is arranged above the reaction kettle, a lower seal head is arranged below the reaction kettle, a guide cylinder is arranged in the reaction kettle, an inner coil pipe is arranged between the reaction kettle and the guide cylinder, the inner coil pipe is of a down-in and up-out structure, a propeller blade is arranged in the guide cylinder, a stirring shaft is arranged on the propeller blade, a driving device is arranged at the top of the stirring shaft, a sealing device is arranged between the stirring shaft and the upper seal head, a positioning sleeve is arranged between the stirring shaft and the lower seal head, a spraying device is arranged on the upper seal head, the upper seal head is provided with a feeding port, and the lower seal head is provided with a discharging port. The method and the equipment of the invention overcome the technical problems that gel is generally and easily generated, mass heat exchange is not timely, heat exchange capacity is insufficient, mixing is not uniform, and productivity is limited in an existing carbon fiber production polymerization technology. The method and the equipment can be widely applied to polymer liquid production.

Description

technical field [0001] The invention relates to a carbon fiber production method and equipment, in particular to a carbon fiber polymerization reaction method and equipment. Background technique [0002] During the polymerization process of carbon fiber production, problems such as uneven polymerization reaction, too fast or too slow reaction rate, poor mass and heat exchange capacity, and gelation make it extremely difficult to control the production index of the polymerization liquid, resulting in qualified products for subsequent production The rate is low or even unqualified, and there are even potential safety hazards, so the polymerization reaction equipment plays a pivotal role in the entire carbon fiber production process. [0003] In the carbon fiber industry, three-layer paddles and broken ribbons are usually used for stirring, and the equipment with outer jacket and internal coil for mass-heat exchange reaction can not meet the needs of customers at all. The three...

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Problems solved by technology

[0005] The present invention aims at the technical problems of the existing carbon fiber production and polymerization technologies, such as gel formation, untimely heat transfer, insufficient heat transfer capacity, uneven mixing, limited production capacity, etc., and provides a method that can simultaneously ensure the stability of the polymerization liquid reaction and the Controllable, multiple feed inlets and liquid level display can be designed according to the actual situation, etc., the polymerization method and equipment of carbon fiber with convenient operation and maintenance

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