Depump® is a large-scale SP Instruction Manual manufacturer and supplier in China.The sump pump type MSP (R) is a vertical, centrifugal slurry pump. It is suitable for delivering abrasive or corrosive slurry and the pump is always immersed in the sump or pit to operate. The sump pump is divided into type MSP and MSPR, but they have the same construction. The wet-parts and shaft for type MSP is made of metal material for delivering abrasive slurry and for type MSPR are lined with corrosive-resistant rubber for delivering corrosive slurry. The MSP(R) sump pump is widely used for mining, chemical industry and each factory and mine enterprise.
Construction
The sump pump type MSP is a vertical, centrifugal slurry pump. The pump casing, impeller and wear plate are made of wear-resistant material. The sump pump has a simple construction and can be installed easily. The pump casing is fixed on the frame with bolts and the bearing body is installed on the top end of the frame. The double rows taper roller bearings near pump and the single row cylindrical roller bearings near drive end may bear the max. axial load of the pump. The base plate or frame of motor is installed on the bearing body. They may be directly driven or by V-belt. The belt pulley may be easily replaced for adjusting the pump speed to meet the duty variation or performance variation after the pump has being worn. There are split mounting plates on the frame. The mounting plates may be easily mounted on the steel frame base or concrete base. It has the advantages of easy installation and convenient operation. Pump can be immersed in the slurry sump for work. The inlet of pump is equipped with lower strainer so as to prevent the large particles from entering the pump.
The construction of the type MSPR pump is as same as type MSP pump perfectly, but for type MSPR pump the outside of parts immersed in the slurry is lined with corrosive-resistant rubber. These parts with rubber liners are pump casing, impeller and wear plates. The connecting bolts immersed in the liquid are all lined with rubber protecting bush. The driving end of type MSPR pump is as same as type MSP pump.
Operation
Starting
Before starting the pump unit should be checked according to the following processes:
1)The pump should be installed on the compact foundation so as to bear all of the pump weight to remove vibration. All of the foundation bolts should be locked.
2)When V-belt driven, the pump shaft should be parallel with the motor shaft.
When direct driven, the pump shaft should be concentrically with the motor shaft, otherwise vibration will be occurred to cause the coupling and bearing exactly worn and V-belts excessively worn.
3)The pipeline and valves should be concentrically with flanges and single support is adopted.
4)When the shaft is rotated in clockwise by hand, the shaft should rotate freely.
5)When the coupling or V-belt is installed well, the rotation direction of the motor should be checked. The rotation direction of motor should agree with the arrow direction shown on the pump, otherwise the impeller may be fallen off from the shaft to cause serious accident.
6)At last check again whether all nuts are locked and the shaft rotates freely. The pump should be started with clean water before pumping slurry.
Table3
|
BEARING ASSEMBLY
|
DRIVE END grams
|
WET END grams
|
|
PV
|
60
|
90
|
|
QV
|
130
|
225
|
|
RV
|
300
|
450
|
|
SV
|
400
|
550
|
|
TV
|
450
|
2200
|
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