德國REXROTH葉片泵R900509274系列現(xiàn)貨

REXROTH葉片泵因其有可變量輸送、自吸能力強、可逆轉(zhuǎn)、能輸送含固體顆粒的液體等特點，在污水處理廠中，廣泛地被使用在輸送水、濕污泥和絮凝劑藥液方面。螺桿泵選用應(yīng)遵循經(jīng)濟(jì)、合理、可靠的原則。如果在設(shè)計選型方面考慮不周，會給以后的使用、管理、維修帶來麻煩，所以選用一臺按生產(chǎn)實際需要，合理可靠的螺桿泵既能保證生產(chǎn)順利進(jìn)行，又可降低修理成本。

一、REXROTH葉片泵的轉(zhuǎn)速選用：
REXROTH葉片泵的流量與轉(zhuǎn)速成線性關(guān)系，相對于低轉(zhuǎn)速的螺桿泵，高轉(zhuǎn)速的螺桿泵雖能增加了流量和揚程，但功率明顯增大，高轉(zhuǎn)速加速了轉(zhuǎn)子與定子間的磨耗，必定使螺桿泵過早失效，而且高轉(zhuǎn)速螺桿泵的定轉(zhuǎn)子長度很短，極易磨損，因而縮短了螺桿泵的使用壽命。通過減速機構(gòu)或無級調(diào)速機構(gòu)來降低轉(zhuǎn)速，使其轉(zhuǎn)速保持在每分三百轉(zhuǎn)以下較為合理的范圍內(nèi)，與高速運轉(zhuǎn)的螺桿泵相比，使用壽命能延長幾倍。

二、REXROTH葉片泵的品質(zhì)：
現(xiàn)在市場上的螺桿泵的種類較多，相對而言，進(jìn)口的螺桿泵設(shè)計合理，材質(zhì)精良，但價格較高，服務(wù)方面有的不到位，配件價格高，訂貨周期長，可能影響生產(chǎn)的正常運行。 國內(nèi)生產(chǎn)的大都仿制進(jìn)口產(chǎn)品，產(chǎn)品質(zhì)量良莠不齊，在選用國內(nèi)生產(chǎn)的產(chǎn)品時，在考慮其性價比的時候，選用低轉(zhuǎn)速，長導(dǎo)程，傳動量部件材質(zhì)優(yōu)良，額定壽命長的產(chǎn)品。

三、REXROTH葉片泵確保雜物不進(jìn)入泵體：
濕污泥中混入的固體雜物會對螺桿泵的橡膠材質(zhì)定子造成損壞，所以確保雜物不進(jìn)入泵的腔體是很重要的，很多污水廠在泵前加裝了粉碎機，也有的安裝格柵裝置或濾網(wǎng)，阻擋雜物進(jìn)入螺桿泵，對于格柵應(yīng)及時清撈以免造成堵塞。

四、REXROTH葉片泵避免斷料：
REXROTH葉片泵決不允許在斷料的情形下運轉(zhuǎn)，一經(jīng)發(fā)生，橡膠定子由于干摩擦，瞬間產(chǎn)生高溫而燒壞，所以，粉碎機完好，格柵暢通是螺桿泵正常運轉(zhuǎn)的必要條件之一，為此，有些螺桿泵還在泵身上安裝了斷料停機裝置，當(dāng)發(fā)生斷料時，由于螺桿泵其有自吸功能的特性，腔體內(nèi)會產(chǎn)生真空，真空裝置會使螺桿泵停止運轉(zhuǎn)。

五、REXROTH葉片泵保持恒定的出口壓力：
REXROTH葉片泵是一種容積式回轉(zhuǎn)泵，當(dāng)出口端受阻以后，壓力會逐漸升高，以至于超過預(yù)定的壓力值。此時電機負(fù)荷急劇增加。傳動機械相關(guān)零件的負(fù)載也會超出設(shè)計值，嚴(yán)重時會發(fā)生電機燒毀、傳動零件斷裂。為了避免螺桿泵損壞，一般會在螺桿泵出口處安裝旁通溢流閥，用以穩(wěn)定出口壓力，保持泵的正常運轉(zhuǎn)。

德國REXROTH葉片泵R900509274系列現(xiàn)貨

力士樂REXROTH葉片泵常用型號：
力士樂REXROTH葉片泵現(xiàn)貨型號：
力士樂REXROTH葉片泵*型號：
力士樂REXROTH葉片泵*型號：

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