德國REXROTH葉片泵
REXROTH葉片泵因其有可變量輸送、自吸能力強、可逆轉、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。螺桿泵選用應遵循經(jīng)濟、合理、可靠的原則。如果在設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)順利進行，又可降低修理成本。

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

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

三、REXROTH葉片泵確保雜物不進入泵體：
濕污泥中混入的固體雜物會對螺桿泵的橡膠材質定子造成損壞，所以確保雜物不進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)，阻擋雜物進入螺桿泵，對于格柵應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，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，當發(fā)生斷料時，由于螺桿泵其有自吸功能的特性，腔體內會產(chǎn)生真空，真空裝置會使螺桿泵停止運轉。 

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泵，當出口端受阻以后，壓力會逐漸升高，以至于超過預定的壓力值。此時電機負荷急劇增加。傳動機械相關零件的負載也會超出設計值，嚴重時會發(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。

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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