Definition: Terminology for slurry pump
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Definition: Terminology for slurry pump

Views:0     Author:Site Editor     Publish Time: 2018-11-01      Origin:Site Inquire

Definition: Terminology for slurry pump

 

If we want to know the application of a slurry pump well, we have to know some terminology first. Now let's learn them together,

 

Affinity Laws

A mathematical relationship between head, flow and power, which enables pump performance to be determined as the speed or impeller diameter is altered.

 

Capacity

The volume of liquid to be transported in a unit time.

 

Concentration by mass

The solids present in a two-phase mixture expressed as a percentage of the mass of the total mixture.

 

Concentration by volume

The solids present in a two-phase mixture expressed as a percentage of the volume of the total mixture.

 

Density

The mass of a fluid as expressed in its mass per unit volume (kg/m3).

 

Efficiency

The ratio of energy delivered by the pump to the energy supplied to the pump shaft, expressed as a percentage.

 

Flow

Alternative terminology for capacity, quantity or volume to be pumped.

 

Fines

A fraction or portion of the mixture, which is represented by a small screen sizing.

 

Friction

The resistance to flow normally associated with pipes and fittings which is a function of the pipe diameter and the rate of charge of flow.

 

Velocity

Rate of flow in a given direction, e.g. m/sec.

 

Stuffing Box

A portion of the casing through which the shaft extends which holds packing material to prevent leakage.

 

System Head Curve

A curve showing the relationship between the total head required by the system to produce a given flow.

 

NPSH

Net positive suction head. The total suction head in absolute units at the impeller centerline less the absolute vapour pressure of the liquid.

 

Packing

A lubricated fiber type material used to provide a seal around the portion of the shaft in the stuffing box.

 


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