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Slurry Pump Impeller


    SPECIFICATIONS:

    Materials: High chrome alloy, Rubber, Polyurethane, Ceramic etc
    No. of Vanes: 2, 3, 4, 5, 6 etc
    Type: Closed, Semi-open, open etc
    Replaced model: Tobee TH(R), THH, TL(R), TG(H), TP(R), TF. Warman AH(R), HH, L(R), G(H), SP(R), AF etc


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  • Product Description

Tobee® slurry pump impellers are interchangeable with AH/HH/LM slurry pump impellers, The Impeller is one of the most important parts for slurry pump. Centrifugal slurry pumps need impeller to produce the centrifugal force which transfer the slurries. The centrifugal force is produced by the impeller which rotates to a certain speed, As main rotating component which normally has vanes to impart the centrifugal force to the liquid, Usually, slurry pump impellers have a plain or a Francis type vane.


Slurry pump impeller


The plain vane type impeller exhibits better wear life characteristics in very coarse slurry applications or where the mould design precludes the Francis type where an elastomer impeller is required.

The number of impeller vanes usually varies between three and six depending on the size of the particles in the slurry.

Slurry impellers are more commonly of the closed type as illustrated (with a front shroud) but open type impellers (without a front shroud) are sometimes used for special applications.

Impellers are generally closed because of higher efficiencies and are less prone to wear in the front liner region. Open impellers are more common in smaller pumps or where particle blockage may be a problem or where the shear provided by an open impeller is an aid to pumping froth.

Another feature of slurry pump impellers is the pump out or expelling vanes on the back and front shrouds. These perform the dual function of reducing pressure (thus inhibiting recirculating flow black to the impeller eye, and reducing stuffing box pressure) and keeping solids out of the gaps between the casing and impeller by centrifugal action.

The impeller design is crucial as it influences flow patterns and ultimately, wear rates throughout the pump.

The wide range of Tobee standard impellers cover most slurry pumping duties or special non-standard designs are also available. Some examples of standard and non- standard impellers are shown in follwing:


Warman Slurry Pump Impeller


Some typical examples of the need for the non-standard impellers are:

a) Pumping coarse coal
Large particles may cause blockages with a standard 5 vane closed impeller. A special large-particle 4 vane impeller may be required.
b) Pumping fibrous material
Long Fibres may get caught around the vane entrance of standard impellers. A special chokeless impeller can be used for these duties.
c) Reduced diameter impellers
In some special cases, reduced diameter impellers are required but are generally avoided as impeller wear is higher than with full diameter impellers as illustrated in Figure 1-3.
d)Reduced eye impellers
In some extremely high wearing applications such as mill discharge, a special impeller with a reduced eye can prolong impeller wear life.

China Slurry Pump Impellers


Interchangeable Slurry Pump Impeller Code:


Impeller CodeTobee TH Slurry PumpAH Slurry PumpMaterials
B1127TH1.5/1B1.5/1B-AHHigh chrome, Natural rubber, Polyurethane
B15127TH2/1.5B2/1.5B-AHHigh chrome, Natural rubber, Polyurethane
C2147TH3/2C3/2C-AHHigh chrome, Natural rubber, Polyurethane
C2127TH3/2C3/2C-AHHigh chrome, Natural rubber, Polyurethane
C2051TH3/2C3/2C-AHHigh chrome, Natural rubber, Polyurethane
D3147TH4/3C, 4/3D4/3C-AH, 4/3D-AHHigh chrome, Natural rubber, Polyurethane
D3145HE1TH4/3C, 4/3D4/3C-AH, 4/3D-AHHigh chrome, Natural rubber, Polyurethane
D3021TH4/3C, 4/3D4/3C-AH, 4/3D-AHHigh chrome, Natural rubber, Polyurethane
E4147TH6/4D, 6/4E6/4D-AH, 6/4E-AHHigh chrome, Natural rubber, Polyurethane
E4056TH6/4D, 6/4E6/4D-AH, 6/4E-AHHigh chrome, Natural rubber, Polyurethane
E4058TH6/4D, 6/4E6/4D-AH, 6/4E-AHHigh chrome, Natural rubber, Polyurethane
F6147TH8/6E, TH8/6F, TH8/6R8/6E-AH, 8/6F-AH, 8/6R-AHHigh chrome, Natural rubber, Polyurethane
F6056TH8/6E, TH8/6F, TH8/6R8/6E-AH, 8/6F-AH, 8/6R-AHHigh chrome, Natural rubber, Polyurethane
F6021TH8/6E, TH8/6F, TH8/6R8/6E-AH, 8/6F-AH, 8/6R-AHHigh chrome, Natural rubber, Polyurethane
F6058HE1TH8/6E, TH8/6F, TH8/6R8/6E-AH, 8/6F-AH, 8/6R-AHHigh chrome, Natural rubber, Polyurethane
FAM8147TH10/8F10/8F-AHHigh chrome, Natural rubber, Polyurethane
G8147TH10/8ST10/8ST-AHHigh chrome, Natural rubber, Polyurethane
FAM10147TH12/10F12/10F-AHHigh chrome, Natural rubber, Polyurethane
G10147TH12/10ST12/10ST-AHHigh chrome, Natural rubber, Polyurethane
FAM12147TH14/12F14/12F-AHHigh chrome, Natural rubber, Polyurethane
G12147TH14/12ST14/12ST-AHHigh chrome, Natural rubber, Polyurethane
GAM14147TH16/14TU16/14TU-AHHigh chrome, Natural rubber, Polyurethane
Impeller CodeTobee TL Slurry PumpL Slurry PumpMaterials
175056TL20A20A-LHigh chrome, Natural rubber
32056TL50B50B-LHigh chrome, Natural rubber
43056TL75C75C-LHigh chrome, Natural rubber
64056TL100D100D-LHigh chrome, Natural rubber
86056TL150E150E-LHigh chrome, Natural rubber
108056TL200E200E-LHigh chrome, Natural rubber
SL30147TL300S300S-LHigh chrome, Natural rubber
SL35147TL350S350S-LHigh chrome, Natural rubber
STL40147TL400ST400ST-LHigh chrome, Natural rubber
STL45147TL450ST450ST-LHigh chrome, Natural rubber
TUL55147TL550TU550TU-LHigh chrome, Natural rubber
Impeller CodeTobee TM Slurry PumpM Slurry PumpMaterials
F8147TM10/8E, TM10/8F, TM10/8R10/8E-M, 10/8F-M, 10/8R-MHigh chrome, Natural rubber, Polyurethane
F10147TM12/10F, TM12/10R12/10F-M, 12/10R-MHigh chrome, Natural rubber, Polyurethane
Impeller CodeTobee THH Slurry PumpHH Slurry PumpMaterials
CH1127THH1.5/1C1.5/1C-HHHigh chrome, Polyurethane
DH2147THH3/2D3/2D-HHHigh chrome, Polyurethane
EH3147THH4/3E4/3E-HHHigh chrome, Polyurethane
FH4147THH6/4F6/4F-HHHigh chrome, Polyurethane
FH6147THH6S, THH8/6S6S-H, 8/6S-HHigh chrome, Polyurethane
Impeller CodeTobee TG(H) Gravel PumpG(H) Gravel PumpMaterials
DG4137TG6/4D,TG6/4E6/4D-G, 6/4E-GHigh chrome
EG6137TG8/6E8/6E-GHigh chrome
FG8137TG10/8F, TG10/8S10/8F-G, 10/8S-GHigh chrome
FG10137TG12/10G12/10G-GHigh chrome
GG12137TG14/12G14/12G-GHigh chrome
FGH8137TGH10/8F10/8F-GHHigh chrome
GGH10137TGH12/10G12/10G-GHHigh chrome
TG14148TGH16/14TU16/14TU-GHHigh chrome
Impeller CodeTobee TP Vertical Slurry PumpSP Vertical Slurry PumpMaterials
SP4206TP40PV40PV-SPHigh chrome, Natural rubber, Polyurethane
SP65206TP65QV65QV-SPHigh chrome, Natural rubber, Polyurethane
SP10206TP100RV100RV-SPHigh chrome, Natural rubber, Polyurethane
SP15206TP150SV150SV-SPHigh chrome, Natural rubber, Polyurethane
SP20206TP200SV200SV-SPHigh chrome, Natural rubber, Polyurethane
SP25206TP250TV250TV-SPHigh chrome, Natural rubber, Polyurethane
SP30206TP300TV300TV-SPHigh chrome, Natural rubber, Polyurethane


Tobee® Slurry Pump Main Parts Materials Standard:


Part NamePart CodeStandard

Bearing Assembly

Frame

Frame Plate & Cover Plate

HT200, HT250GB9439-88
QT450-10, QT500-7GB1348-88
ZG230-450, ZG270-500GBT11352-89

Impeller

Volute Liner

ThroatbushFrame

Plate Liner Insert

High Chrome AlloyGB8263-87
Ultra Chrome AlloyGB8263-87
Extra Chrome AlloyGB8263-87
Hyper Chrome AlloyGB8263-87

Expeller

Expeller Ring

HT200, HT250GB9439-88
QT450-10, QT500-7GB1348-88
Anti-corrosive Stainless SteelGB2100-80
High Chrome AlloyGB8263087
Shaft45# SteelGB699-88
40CrMoGB3077-88
Shaft Sleeve45# Steel Coated ChromeGB699-88
3Cr13GBT1220-92


Range of Applications of Slurry Pumps:


Range of Applications of Slurry Pumps

Slurry pumps are used widely throughout the beneficiation section of the mining industry where most plants utilise wet separation systems. These systems usually require the movement of large volumes of slurry throughout the process.

Slurry pumps are also widely used for the disposal of ash from thermal power plants. Other areas where slurry pumps are used include the manufacture of fertilisers, land reclamation, mining by dredges, and the long distance transportation of coal and Minerals.

Increased global focus on environmental and energy constraints will certainly generate much wider uses for slurry pumping in years to come.

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