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南京理工大學泰州科技學院
畢業(yè)設計說明書(論文)
作 者:
陳洪濤
學 號：
0601510119
學院(系):
機械工程學院
專 業(yè):
機械工程及自動化
題 目:
干燥機組設計
高級工程師
吳萍
指導者：
評閱者：
2010 年 6 月
畢業(yè)設計說明書（論文）中文摘要
碳纖維的品質在很大程度上取決于原絲。制造品質優(yōu)異的原絲的主要制約因素有聚合體中共聚單體類型、紡絲方法及工藝、拉伸工藝、干燥致密化程度、上油工藝及油劑類型。
干燥致密化一般在上油后用熱輥或熱風進行干燥致密化。干燥致密化溫度越低越好，但過低，油劑不能浸入，孔隙不能削減，長時間進行干燥致密化也不好，實質上干燥致密化溫度在 110－190℃ 的溫度范圍較好。
本干燥機（組）采用逐步升溫的分段致密化工藝，先將水的ω為 100%－150% 的溶脹態(tài)纖維在 100－300℃ 的熱輥上干燥到水ω 30% 以下，然后再用 110－140℃ 的熱輥將纖維干燥至水ω 2% 以下，這樣對纖維進行緩慢的致密化，可防止產生皮芯結構，并可防止單絲間并絲。
本文介紹了制取高性能碳纖維原絲的關鍵設備之一——干燥機（組）的結構組成及研究概況，對主機主要零部件：輥筒軸部件、傳動齒輪受力情況進行了分析研究；對輥筒軸及齒輪進行了強度校核；對軸承壽命進行了計算；對保溫部件進行了方案比較和結構設計；對潤滑部件進行了潤滑方式的選擇和潤滑裝置設計及計算。
本文完成了干燥機（組）的設計和計算的整個過程，對碳纖維干燥致密化設備有了進一步的了解和一些創(chuàng)新。
關鍵詞 碳纖維 干燥致密化 熱輥 干燥機（組）
畢業(yè)設計（論文）外文摘要
Title The ConstructionDesignof The Drier(set)
Abstract
The quality of carbon fiber is directly influenced by the quality of PAN precursor.The factors that restrict the quality of PAN precursor, such as the type of polymerization monomer in the polymer, spinning method and technique, tensile technique, compacting level by drying, oiling technique and the type of oil, must be paid great attention to prepare the PAN precursor with good properties.
Compacting by drying turn to proceed with hot roller or hot breezes after oiling generally. Compacting by drying turn the temperature more low more good, but over low, oil can't dipping into it, or bore cleft can't cutting down, long hours proceeding compacting by drying turning is not better too, substantially compacting by drying turning temperature between 110℃ and 190℃ scope than good .
Cent a hot roller for finely turning craft, first aqueous ω is between100% and 150% dissolving bulge appearance fiber between 100℃ and 300℃ that this drier(set) adoption gradually heat top dry arrive 30% of water ω below, then use the hot roller between 100℃ and 140℃ to o aridity fiber to below 2% of water ω, proceed the slow-moving and fine turning to the fiber like this, can prevent to produce the skin core construction, combining can prevent single silk turn to a bunch of silk.
This paper introduced the composition and structure and the abstract of research about the the one of the original and silky key in carbon fiber in high performance equipmentses—the construction of the drier(set). We do research on the main accessories of the host, such as the Roller stalk parts, the drive wheel geard of the power under stress.We check the intensity of the axle and the surface of the gear;Proceeded the calculation to the bearings life span. proceeded to the heat preservation parts the project compare to design with the construction;to lubricate the parts proceeded the choice of the lubrication method with lubricate to equip design and calculations.
This paper completes the whole progress from the design and calculating about the drier(set). We now have a better knowledge and creative of the drier(set).
Keywords Carbon fiber Compacting Hot roller Dryer( set)