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不鏽鋼(gāng)單螺杆泵的結構與特點
發布時間(jiān)：2014-9-22 9:11:57 點擊次數(shù)：
    不鏽鋼單螺杆泵(bèng)是一(yī)種單螺杆式輸運泵,它的主要工作部件是偏心螺旋體的螺杆（稱轉子）和内表面呈雙線螺旋面的螺杆襯套（稱定子）。
    不鏽鋼單螺杆泵(bèng)的(de)工作原理是當電動機帶動泵軸轉動時,螺杆一方面繞本身的軸線(xiàn)旋轉,另一方面它又沿襯套内表面滾動,于是形成泵的密封腔室。螺(luó)杆每轉一周,密封腔内(nèi)的液體向前推進(jìn)一個螺距,随着螺杆的連續轉動,液體螺旋形方式(shì)從一個密封腔壓向另(lìng)一個密封腔,最(zuì)後擠出泵體。
    單(dān)螺杆泵是一種新型的輸送液體的機械,具有結構簡單、工作(zuò)安全可靠(kào)、使用維修方便、出液連續均勻、壓力穩定等優(yōu)點。一種利用螺杆的旋轉來吸排液體的泵，它最适于吸排黏稠液體.    
    Stainless steel single screw pump is a single-screw transport pump, its main working parts are eccentric screw (rotor) of helix and the inner surface is on the surface of the double spiral screw bushing (called stator).Stainless steel working principle of single screw pump is when the motor drives the pump shaft rotation, screw around the axis of rotation itself on the one hand, on the other hand it along the bushing inside surface rolling, then form the pump seal chamber.Screw each week, liquid sealed cavity forward a pitch, with continuous rotation of the screw, liquid spiral way from a sealed cavity pressure to the other a sealed cavity, finally out of the pump body.Single screw pump is a new type of fluid conveying machinery, has a simple structure, safe and reliable work, convenient operation and maintenance, the fluid continuous uniform, stable pressure, etc.A use of the rotation of the screw to absorb liquid pump, it is most suitable for suction row of viscous liquid.Single screw pump has the following advantages:
    單螺杆泵有(yǒu)以下優點：
    1)壓力和流量(liàng)範圍寬闊。壓(yā)力約在3.4-340千(qiān)克力(lì)/cm 2，流(liú)量可達18600cm3/分； 　
    1) the wide range of pressure and flow.Pressure about 3.4-340 kg/cm 2, flow rate of up to 18600 cubic cm/min;
    2)運送液(yè)體的種類和粘度範圍寬廣； 　　
    2) wide range of delivery and type of liquid viscosity;
    3)因為泵(bèng)内的回轉部件慣(guàn)性力較低，故可使(shǐ)用很高的(de)轉速；  
    3) because the rotary inertia force component inside the pump is low, so it can be used in high speed;　　4)吸入性能好，具有自吸能力； 　　
    4) inhalation can good, self-priming ability;
    4)流量均勻連續，振動小，噪音低； 　　
    4) flow uniformly continuous, little vibration, low noise;
    5)與其它回轉泵相比，對進入的氣體和污物不太敏感； 　
    5) compared with other rotary pump, less sensitive to enter gas and dirt;　
    6)結構堅實，安裝保養(yǎng)容易。 　　
    單螺杆泵和其它螺(luó)杆泵(bèng)一樣，當泵(bèng)的排出口完全封閉時，泵(bèng)内的壓力就會上升到使(shǐ)泵損壞或使電動機過載的危(wēi)險程度。所以，在(zài)泵的吸排口處(chù)，就必須設置安全閥。不鏽鋼單螺杆泵的軸封，通常采用機械(xiè)軸封，并可根據工作壓(yā)力的高(gāo)低采取不同的形式。
    6) solid structure, installation and maintenance easy.Other single screw pump and screw pump, when the pump outlet is completely closed, the pressure inside the pump will rise to make pump damage or that the degree of danger of motor overload.So, in the pump suction PaiKou, you must set the relief valve.Stainless steel single screw pump shaft seal, usually adopts mechanical shaft seal, and may take different forms according to the working pressure of discretion.