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Blow Through Rotary Valves (view source)
Revision as of 07:31, 30 December 2012
, 07:31, 30 December 2012no edit summary
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[[File:Blow Through Rotary Valve.jpg|thumb|right|Blow Through Rotary Valves]] | |||
[[File:Blow Through Rotary Valves1.jpg|thumb|right|Blow Through Rotary Valves]] | |||
'''Blow Through Rotary Valve''' is used to deliver bulk materials in pneumatic conveyor systems.Blow through rotary valves consist of a tubular cast iron or stainless steel casing, a horizontally mounted rotor with a certain number of oblique V-shaped cross section compartments, a drive unit and a casing cover at each end. | |||
Blow through rotary valve has been specifically designed to meet the rugged demands of the pneumatic conveying industry. It is a natural extension of the rotary valve in that both are used to regulate the flow of dry powders, dusts and granular products, while maintaining an airlock condition. | |||
However, the blow through rotary valve offers distinct advantages in that it introduces high pressure conveying air through the valve body and rotor pocket, ensuring a high efficiency throughput with a low effective pressure drop. | |||
==Function== | |||
Two compartments at a time of the continuously turning rotor are filled up with material through the inlet at the top of the rotary valve. After less than half a turn the material falls through the bottom opening into an air stream passing through a pneumatic conveying pipeline connected with the bottom part of the rotary valve. | |||