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中文摘要
雙螺桿壓縮機(jī)的設(shè)計(jì)
【摘要】雙螺桿壓縮機(jī)是一種比較新穎的壓縮機(jī)，因其可靠性高、操作維修方便、動(dòng)力平衡性好、適應(yīng)性強(qiáng)等優(yōu)點(diǎn)，而廣泛地應(yīng)用于礦山、化工、動(dòng)力、冶金、建筑、機(jī)械、制冷等工業(yè)部門。雙螺桿壓縮機(jī)已經(jīng)超過(guò)所有工業(yè)壓縮機(jī)的50 ％，其市場(chǎng)份額超過(guò)80 ％，今后其市場(chǎng)份額還將繼續(xù)擴(kuò)大。可見(jiàn)，研究雙螺桿壓縮機(jī)具有十分重要的意義。本課題主要是設(shè)計(jì)通用的噴油雙螺桿空氣壓縮機(jī)，采用單邊不對(duì)稱擺線-銷齒圓弧型型線，陰、陽(yáng)轉(zhuǎn)子齒數(shù)比為6：4。設(shè)計(jì)新型轉(zhuǎn)子型線，目的是使接觸線長(zhǎng)度、泄漏三角形面積和封閉余隙容積3者達(dá)到最優(yōu)化設(shè)計(jì)，以進(jìn)一步提高雙螺桿壓縮機(jī)的機(jī)械性能。重點(diǎn)研究的是雙螺桿壓縮機(jī)的轉(zhuǎn)子型線設(shè)計(jì)、幾何特性、受力分析、熱力學(xué)計(jì)算。
【關(guān)鍵詞】雙螺桿壓縮機(jī) 轉(zhuǎn)子型線 嚙合線 齒間容積
The design of twin screw compressor
[Abstract] The twin-screw compressor is a kind of newly emerging compressor. Because of its high reliability, easy repair, good balance and good adaptability etc, and widely applied to such industrial departments as mine, chemical industry, power, metallurgy, architecture, machinery, refrigeration, etc. By designing the project, the volumetric efficiency is 70%, the compressed temperature is more 80℃。It is very important to design and research a twin-screw compressor in industrial. The project is to design a universal twin-screw air compressor, and to adopt single side asymmetric swept line unilaterally and dowel tooth circular rotor profile. There are six lobes on the female rotor and four lobes on the male rotor. The aim of designing a new rotor profile is to optimize the contact line length, blowhole area and clearance volume. That can improve the mechanical performance of a twin-screw compressor further. The project is mainly to research a twin-screw compressor rotor profile, geometry characteristic, mechanics analysis, thermodynamics calculation
[Keywords] A twin-screw compressor, rotor profile, mesh curve, tooth space volume.
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