本文關(guān)鍵詞：蓄能器在風(fēng)能RO淡化系統(tǒng)中的試驗(yàn)研究　出處：《山東大學(xué)》2015年碩士論文　論文類型：學(xué)位論文

  更多相關(guān)文章： 蓄能器 RO 淡化 應(yīng)用研究

【摘要】：風(fēng)能海水淡化技術(shù)的應(yīng)用不僅有利于節(jié)能環(huán)保,而且能夠緩解用水問題。本文針對(duì)因風(fēng)能的間歇性和不穩(wěn)定性對(duì)淡化系統(tǒng)帶來的波動(dòng)問題,結(jié)合蓄能器在液壓系統(tǒng)中的應(yīng)用,提出將蓄能器應(yīng)用在風(fēng)能RO淡化系統(tǒng)中。此方法具有提高系統(tǒng)壓力波動(dòng)穩(wěn)定性、提高風(fēng)能利用效率的優(yōu)點(diǎn)。本文首先討論了蓄能器的應(yīng)用對(duì)系統(tǒng)壓力波動(dòng)的影響。對(duì)比分析無蓄能器時(shí)恒定轉(zhuǎn)速下與加裝蓄能器后變轉(zhuǎn)速下系統(tǒng)的壓力波動(dòng)。試驗(yàn)結(jié)果表明：蓄能器可以將變轉(zhuǎn)速狀況下系統(tǒng)的壓力波動(dòng)減小到恒定轉(zhuǎn)速狀態(tài)；蓄能器緩沖壓力的效果與蓄能器的體積、預(yù)充氣壓力、系統(tǒng)壓力有關(guān)：恒定轉(zhuǎn)速下,蓄能器充氣壓力為系統(tǒng)均壓的60%時(shí)吸收效果較好；變轉(zhuǎn)速下,蓄能器充氣壓力為系統(tǒng)壓力的40%90%時(shí)吸收效果較好。其次,建立了蓄能器、電磁閥穩(wěn)壓系統(tǒng)。研究了電磁閥,蓄能器體積、充氣壓力對(duì)風(fēng)能RO系統(tǒng)的穩(wěn)壓效果的影響。試驗(yàn)結(jié)果表明：穩(wěn)壓系統(tǒng)中電磁閥起著至關(guān)重要的作用；當(dāng)系統(tǒng)壓力恒定時(shí),蓄能器體積越大、充氣壓力越小,儲(chǔ)存的能量越多穩(wěn)壓效果越好；當(dāng)蓄能器體積、充氣壓力一定時(shí),系統(tǒng)壓力越高,儲(chǔ)存的能量越多穩(wěn)壓效果越好。最后,本文結(jié)合蓄能器的數(shù)學(xué)模型,建立了Matlab模型,模擬分析了蓄能器體積、充氣壓力對(duì)系統(tǒng)壓力波動(dòng)的影響。模擬結(jié)果表明：蓄能器的充氣壓力和體積對(duì)壓力波動(dòng)的影響不僅體現(xiàn)在吸收率上,而且也體現(xiàn)在響應(yīng)速度上；一般的蓄能器預(yù)充氣壓力越高,對(duì)系統(tǒng)壓力波動(dòng)吸收的響應(yīng)越快；選取蓄能器充氣壓力時(shí)要結(jié)合實(shí)際工況來考慮,當(dāng)系統(tǒng)壓力變化較快時(shí)選擇較高的預(yù)充氣壓力,當(dāng)系統(tǒng)壓力變化較慢時(shí)選擇相對(duì)較低的預(yù)充氣壓力。
[Abstract]:The application of wind energy desalination technology is not only beneficial to energy conservation and environmental protection, but also can alleviate the problem of water use. Aiming at the fluctuation problem caused by the intermittency and instability of wind energy and the application of accumulator in hydraulic system, this paper puts forward the application of accumulator in the desalination system of wind energy RO. This method has the advantages of improving the stability of the pressure fluctuation of the system and improving the utilization efficiency of wind energy. In this paper, the influence of the application of the accumulator on the pressure fluctuation of the system is discussed. The pressure fluctuation of the system under the constant speed and the post variable speed of accumulator is compared and analyzed. The test results show that the accumulator can be variable pressure fluctuation speed conditions the system is reduced to a constant speed state; the accumulator pressure buffer and the effect of storage volume, pre heater, air pressure system pressure: under constant speed, charging pressure of accumulator system for equalizing 60% better absorption effect; variable speed, charging pressure of accumulator for system pressure 40%90% better absorption effect. Secondly, the accumulator and solenoid valve stabilizing system are set up. The influence of the solenoid valve, the accumulator volume and the inflating pressure on the stabilizing effect of the wind energy RO system is studied. The test results show that the electromagnetic valve plays a crucial role in stabilizing the system; when the system pressure is constant, the accumulator volume increases, inflation pressure is small, the better the more energy storage stabilizing effect; when the gas pressure is constant volume, energy storage system, the higher the pressure is, the better the more energy storage stabilizing effect. Finally, based on the mathematical model of accumulator, the Matlab model is established, and the influence of the accumulator volume and the inflating pressure on the pressure fluctuation of the system is simulated and analyzed. The simulation results show that the effects of air accumulator volume and pressure of the pressure fluctuation is not only reflected in the absorption, but also reflected in the response speed; the general accumulator precharge pressure is high, in response to the pressure fluctuation of the absorption system more quickly; selection pressure force to consider the actual the storage condition, when the system pressure changes rapidly and high pre charging pressure, when the system pressure changes slowly when choosing a relatively low pre charging pressure.
【學(xué)位授予單位】：山東大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2015
【分類號(hào)】：P747;TK89

【參考文獻(xiàn)】

相關(guān)期刊論文 前1條

1 李超;李利平;;風(fēng)電海水淡化研究與應(yīng)用[J];電力勘測(cè)設(shè)計(jì);2014年02期

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本文編號(hào)：1338198