退火爐保護(hù)氣體的制造與純化

1、順德職業(yè)技術(shù)學(xué)院畢業(yè)設(shè)計(jì)題目退火爐保護(hù)氣體的制造與純化系別年級(jí)專(zhuān)業(yè)學(xué)生姓名指導(dǎo)教師專(zhuān)業(yè)負(fù)責(zé)人答辯日期34.2.1操作系統(tǒng)........................................................................................................................114.2.2控制過(guò)程.............................

2、...........................................................................................124.2.3制氮機(jī)PLC系統(tǒng)設(shè)計(jì)原理............................................................................................13第5章氮?dú)饧兓b置.......

3、.......................................................................................................................145.1純化裝置簡(jiǎn)介..........................................................................................

4、..........................................145.2氮?dú)饧兓牧鞒?...............................................................................................................................155.2.1工作流程...........................

5、............................................................................................155.2.2再生流程.....................................................................................................................

6、..155.3純化裝置PLC設(shè)計(jì)原理...................................................................................................16第6章氮?dú)庠O(shè)備操作與保護(hù).........................................................................................

7、.......................18第7章制氮機(jī)與純化裝置工作部分PLC設(shè)計(jì).........................................................................207.1制氮機(jī)PLC工作部分設(shè)計(jì).....................................................................................

8、...........................207.1.1部分IO分配點(diǎn)確定....................................................................................................................207.1.2制氮機(jī)PLC部分梯形圖...........................................

9、.....................................................................207.2純化裝置工作部分設(shè)計(jì)..................................................................................................................207.2.1部分IO分配點(diǎn)確定......

10、..............................................................................................................207.2.2氮?dú)饧兓b置PLC部分梯形圖.........................................................................................

11、...........21設(shè)計(jì)小結(jié)......................................................................................................................................................21致謝.................................................

12、.............................................................................................................22參考文獻(xiàn).........................................................................................................

13、.............................................22第1章緒論緒論1.11.1汽車(chē)行業(yè)的現(xiàn)狀汽車(chē)行業(yè)的現(xiàn)狀我國(guó)已開(kāi)始步入大眾汽車(chē)消費(fèi)的時(shí)代，隨著汽車(chē)制造業(yè)的迅猛發(fā)展，人們對(duì)汽車(chē)產(chǎn)業(yè)發(fā)展初期盛行的進(jìn)口零部件國(guó)內(nèi)組裝生產(chǎn)方式的局限性的認(rèn)識(shí)越來(lái)越深入，實(shí)現(xiàn)大宗原材料的國(guó)產(chǎn)化，成為降低成本，增強(qiáng)市場(chǎng)競(jìng)爭(zhēng)力的有效途徑。就汽車(chē)用精密鋼管生產(chǎn)而言：由于受裝備能力、工藝技術(shù)配套、優(yōu)質(zhì)原材料資源供應(yīng)等因素制約，已