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Conveying Solutions
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Pressure type conveying system, in which material is conveyed with the help of air pressure upto destination.
Main two types of systems:
Pressure type conveying system, in which material is conveyed with the help of air pressure upto destination
Suction type conveying system in which material is sucked from source & discharged by gravity upto destination
Types can be sub-categorized as:
Lean phase conveying system
Semi-desnse phase conveying system
Dense phase conveying system
Salient features of lean phase conveying system:
Use low pressure, high volume gas & high velocity for fluidizing to transfer powder or granular bulk solids up to capacity 50tph
Solid to air ratio ( kg solid / kg air) less than 15
Systems use a positive displacement blower (required press. <1bar) to develop the required motive force
Rotary valve & venture can be used as feeder in lean phase conveying system
Lean phase systems are most used on those material which are non-abrasive, non-fragile, light density (typical <800kg/m3)
Dense phase system:-dense phase pressure system utilizes high pressure, low volume (cfm) air / gas as the motive force to transfer powder or granular bulk solid through a pipeline at low velocity
Salient features of dense phase conveying system:
Use high pressure, low volume gas & low velocity for fluidizing to transfer powder or granular bulk solids
Pressure vessel with valves & air control is the key components of the system
Solid to air ratio ( kg solid / kg air) should be more than 15
For dense phase pressure system conveying length is up to 400mt. Approx
This systems use compressed air / gas to develop the required motive force
Specially designed pressure vessel is used as feeder in lean phase conveying system
Dense phase systems are most used on those material which are abrasive, fragile, high density.
