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  本文選題：噴油螺桿壓縮機(jī)　切入點：螺桿轉(zhuǎn)子　出處：《安徽理工大學(xué)》2017年碩士論文　論文類型：學(xué)位論文

【摘要】：空壓機(jī)是現(xiàn)代社會必不可少的壓縮空氣的設(shè)備,螺桿式空壓機(jī)的使用非常的廣泛,在煤炭、采礦、金屬冶煉、電工電子、土木工程、石油化工、醫(yī)療器械及國防工業(yè)方面都是必不可少的空氣動力設(shè)備。與其他種類的空壓機(jī)相比,螺桿式空壓機(jī)產(chǎn)氣量高、運行可靠、噪音低、震動小,可滿足變壓力和變流量的要求。螺桿式空壓機(jī)主要是由螺桿轉(zhuǎn)子、動力裝置、油路、氣路、油氣分離、冷卻、排水裝置、調(diào)節(jié)系統(tǒng)、電路和控制系統(tǒng)組成,其中螺桿轉(zhuǎn)子是空壓機(jī)的核心部件,其性能的好壞直接影響空壓機(jī)的性能。目前,針對轉(zhuǎn)子新型線的齒間面積、齒間容積、嚙合線生成及內(nèi)泄漏的計算,國內(nèi)普遍落后于國外,國內(nèi)對于轉(zhuǎn)子新型線的研發(fā)還處于仿制和追趕階段。隨著我國對技術(shù)創(chuàng)新的重視,國內(nèi)也開始自己的研究和探索,尤其是對轉(zhuǎn)子型線的計算和設(shè)計方法的研究。本文研究了轉(zhuǎn)子的工作原理和工作流程;深入地探討了陰陽轉(zhuǎn)子的齒間面積、雙螺桿轉(zhuǎn)子的內(nèi)泄漏、雙螺桿轉(zhuǎn)子的密封容積和轉(zhuǎn)子的噴油量等影響轉(zhuǎn)子性能的重要因素;建立了轉(zhuǎn)子的轉(zhuǎn)換坐標(biāo)方程,并推算出轉(zhuǎn)子的齒間容積和齒間面積計算方程、轉(zhuǎn)子的齒曲線和共軛曲線方程、嚙合線方程和螺桿轉(zhuǎn)子的齒面方程,推導(dǎo)并計算了轉(zhuǎn)子的各幾何參數(shù);重點研究基于嚙合線反求轉(zhuǎn)子型線的新方法,根據(jù)陰陽螺桿轉(zhuǎn)子坐標(biāo)系建立了嚙合線坐標(biāo)系,研究了嚙合線為點、直線和曲線時反求轉(zhuǎn)子型線的方法,提出了一套保證轉(zhuǎn)子型線連續(xù)性的方案;深入分析影響轉(zhuǎn)子性能參數(shù)的兩大因素。對轉(zhuǎn)子吸排氣口、殼體、轉(zhuǎn)子排氣量調(diào)節(jié)方式的設(shè)計以及對轉(zhuǎn)子噴油量的計算,為轉(zhuǎn)子的設(shè)計和研究提供了一定的參考;本文利用CFD對所設(shè)計轉(zhuǎn)子進(jìn)行流場分析。利用ANSYS對轉(zhuǎn)子進(jìn)行靜力學(xué)分析及模態(tài)分析。
[Abstract]:Air compressor is an indispensable compressed air equipment in modern society, screw air compressor is widely used in coal, mining, metal smelting, electrical and electronic, civil engineering, petrochemical, Medical devices and defense industries are essential aerodynamic equipment. Compared with other types of air compressors, screw air compressors have high air production, reliable operation, low noise and low vibration. Screw type air compressor is mainly composed of screw rotor, power unit, oil circuit, gas line, oil and gas separation, cooling, drainage device, regulating system, circuit and control system. The screw rotor is the core component of the air compressor, and its performance directly affects the performance of the air compressor. At present, for the calculation of the area between teeth, the volume between teeth, the generation of meshing line and the internal leakage of the rotor new line, the domestic generally lags behind the foreign countries. The domestic research and development of the new rotor line is still in the stage of imitation and catch-up. With the importance of technological innovation in our country, China has also begun its own research and exploration. In particular, the calculation and design method of rotor profile is studied. The working principle and working flow of rotor are studied in this paper, and the area between teeth of yin-yang rotor and the internal leakage of twin-screw rotor are discussed in depth. Some important factors affecting rotor performance, such as sealing volume of twin-screw rotor and fuel injection amount of rotor, are established, and the equations of rotor inter-tooth volume and inter-tooth area are deduced. The tooth curve and conjugate curve equation of the rotor, the meshing line equation and the tooth surface equation of the screw rotor are derived and calculated. According to the yin-yang screw rotor coordinate system, the meshing line coordinate system is established, and the method of reverse calculating the rotor profile line when the meshing line is the point, the straight line and the curve is studied, and a set of scheme to guarantee the continuity of the rotor profile line is put forward. Two factors affecting rotor performance parameters are analyzed in depth. The design of rotor exhaust outlet, shell, rotor exhaust regulation mode and the calculation of rotor fuel injection quantity provide a certain reference for rotor design and research. In this paper, CFD is used to analyze the flow field of the rotor, and ANSYS is used to analyze the statics and modal of the rotor.
【學(xué)位授予單位】：安徽理工大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2017
【分類號】：TH45

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