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羅茨鼓風(fēng)機(jī)和螺桿鼓風(fēng)機(jī)的區(qū)別在哪里

來源:http://owlshollowfarm.com/   日期:2020-08-25   瀏覽量:0
TAG:山東制氮機(jī),山東干燥機(jī),山東螺桿鼓風(fēng)機(jī),山東空壓機(jī),山東自動(dòng)排水器

羅茨鼓風(fēng)機(jī)和螺桿鼓風(fēng)機(jī)都是屬于容積式風(fēng)機(jī),如果兩者要進(jìn)行比較的話,可以簡(jiǎn)單歸結(jié)為壓縮原理的不同,螺桿鼓風(fēng)機(jī)的、穩(wěn)定、低噪優(yōu)勢(shì)更為突出。

Roots blower and screw blower are volume fans. If they want to be compared, they can be simply attributed to the different compression principles. The advantages of screw blower in energy saving, stability and low noise are more prominent.

羅茨鼓風(fēng)機(jī)在運(yùn)轉(zhuǎn)和輸送空氣的過程中,轉(zhuǎn)子間的腔體不發(fā)生容積變化,壓力來自于把大量的空氣強(qiáng)制送入一個(gè)體積比較小的外部腔體中,如:管道或儲(chǔ)氣罐中,外部腔體中空氣的密度不斷提高,從而產(chǎn)生壓力,通常稱之為“外壓縮”。

In the process of operating and conveying air, the volume of the cavity between the rotors does not change. The pressure comes from forcing a large amount of air into a relatively small external cavity, such as a pipe or an air storage tank. The density of air in the external cavity increases continuously, resulting in pressure, which is usually called "external compression".

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山東螺桿鼓風(fēng)機(jī)

Shandong screw blower

而螺桿鼓風(fēng)機(jī)的工作原理就跟羅茨鼓風(fēng)機(jī)有些區(qū)別了,空氣同樣是吸進(jìn)來,再排出去,吸氣時(shí),螺桿和螺桿之間的空腔是大的,隨著螺桿轉(zhuǎn)子的轉(zhuǎn)動(dòng),腔體體積會(huì)逐漸變小,當(dāng)氣體排出去后,腔體容積會(huì)變得很小很小。也就是說,在旋轉(zhuǎn)過程中,就相當(dāng)于把2m3的氣壓縮成1m3的氣,壓力隨之就提高,也就是說這個(gè)壓力的提升不是來自于外圍的管網(wǎng),而是來自于主機(jī)腔體內(nèi)部容腔的變化,也就是所謂的內(nèi)壓縮。

The working principle of screw blower is different from roots blower. The air is also sucked in and then discharged. When aspirating, the cavity between screw and screw is large. With the rotation of screw rotor, the volume of cavity will gradually decrease. When the gas is discharged, the volume of cavity will become very small. In other words, in the process of rotation, it is equivalent to reducing the air pressure of 2m ~ 3 into 1m ~ 3 of gas, and the pressure will increase accordingly. That is to say, the pressure rise does not come from the peripheral pipe network, but from the change of the internal volume of the main engine cavity, which is the so-called internal compression.

螺桿鼓風(fēng)機(jī)采用的內(nèi)壓縮所需功耗要遠(yuǎn)遠(yuǎn)低于羅茨鼓風(fēng)機(jī)采用的外壓縮,而且內(nèi)壓縮過程是連續(xù)漸進(jìn)的,氣流脈動(dòng)要低于羅茨鼓風(fēng)機(jī),所以螺桿鼓風(fēng)機(jī)的噪音及穩(wěn)定性也均優(yōu)于羅茨鼓風(fēng)機(jī)。

The internal compression of screw blower needs much less power than that of Roots blower, and the internal compression process is continuous and gradual, and the flow pulsation is lower than roots blower, so the noise and stability of screw blower are better than roots blower.


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