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南京理工大學(xué)泰州科技學(xué)院
畢業(yè)設(shè)計(jì)說(shuō)明書(shū)(論文)
作 者:
陳洪濤
學(xué) 號(hào)：
0601510119
學(xué)院(系):
機(jī)械工程學(xué)院
專(zhuān) 業(yè):
機(jī)械工程及自動(dòng)化
題 目:
干燥機(jī)組設(shè)計(jì)
高級(jí)工程師
吳萍
指導(dǎo)者：
評(píng)閱者：
2010 年 6 月
畢業(yè)設(shè)計(jì)說(shuō)明書(shū)（論文）中文摘要
碳纖維的品質(zhì)在很大程度上取決于原絲。制造品質(zhì)優(yōu)異的原絲的主要制約因素有聚合體中共聚單體類(lèi)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(lèi)型。
干燥致密化一般在上油后用熱輥或熱風(fēng)進(jìn)行干燥致密化。干燥致密化溫度越低越好，但過(guò)低，油劑不能浸入，孔隙不能削減，長(zhǎng)時(shí)間進(jìn)行干燥致密化也不好，實(shí)質(zhì)上干燥致密化溫度在 110－190℃ 的溫度范圍較好。
本干燥機(jī)（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(duì)纖維進(jìn)行緩慢的致密化，可防止產(chǎn)生皮芯結(jié)構(gòu)，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(guān)鍵設(shè)備之一——干燥機(jī)（組）的結(jié)構(gòu)組成及研究概況，對(duì)主機(jī)主要零部件：輥筒軸部件、傳動(dòng)齒輪受力情況進(jìn)行了分析研究；對(duì)輥筒軸及齒輪進(jìn)行了強(qiáng)度校核；對(duì)軸承壽命進(jìn)行了計(jì)算；對(duì)保溫部件進(jìn)行了方案比較和結(jié)構(gòu)設(shè)計(jì)；對(duì)潤(rùn)滑部件進(jìn)行了潤(rùn)滑方式的選擇和潤(rùn)滑裝置設(shè)計(jì)及計(jì)算。
本文完成了干燥機(jī)（組）的設(shè)計(jì)和計(jì)算的整個(gè)過(guò)程，對(duì)碳纖維干燥致密化設(shè)備有了進(jìn)一步的了解和一些創(chuàng)新。
關(guān)鍵詞 碳纖維 干燥致密化 熱輥 干燥機(jī)（組）
畢業(yè)設(shè)計(jì)（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)